2. oblation: a. the act of offering the bread and wine of the Eucharist; b. something offered, especially the bread and wine of the Eucharist;

3. a charitable offering or gift; (adj.): oblational, oblatory; [Middle English oblacioun, fr. Old French oblacion, fr. Late Latin oblātiō, oblātiōn-, fr. Latin oblātus, past participle of offerre, ‘to offer’: ob-, + lātus, ‘brought’].~ (American Heritage Dictionary)

• obviate (v.t.; -ated, -ating): to anticipate and prevent or render unnecessary by effective measure; (adj.): obviable; (n.): obviation, obviator. [1590-1600; from Latin obviātus, past participle of obviāre, ‘to act contrary to’]. ~ (Webster’s College Dictionary).

• ‘oceanic: resembling an ocean; immense, vast’. ~ (Oxford Dictionary).

• ‘oceanic: resembling the ocean in apparent limitlessness in extent or degree’. ~ (WordNet 1.7).

• ‘oceanic: resembling an ocean in expanse; vast’. ~ (The American Heritage® Dictionary).

• ‘oceanic: vast (very great in size, amount, degree, intensity, or especially in extent or range); great (remarkable in magnitude, degree)’. ~ (Merriam Webster’s Collegiate® Dictionary).

odyssey: a long series of wanderings, a long adventurous journey; fig. an extended process of development or change. ~ (Oxford Dictionary).

Off-Grid:

• off-the-grid (adj.; also off-grid, esp. North American English): not using the public supplies of electricity, gas, water, etc.; [e.g.]: “A houseboat is the ultimate form of off-grid living”; “The mountain cabin is entirely off the grid”; “An off-the-grid home, independent of traditional utility services”; “You can produce your own power and live off the grid”; (n.): off-gridding; off-gridder. ~ (Oxford English Dictionary).

• off the grid, or, less commonly, off-the-grid; also off grid or off-grid (adv.): renewable energy sources for living off the grid; also known as rural homesteading; living off the land; permanent camping; off-grid living. ~ (Cambridge English Dictionary).
[https://dictionary.cambridge.org/dictionary/english/off-the-grid].

• old fart (n.; plural old farts): (pejorative, idiomatic) an elderly person who holds views that are considered old-fashioned; [synonyms]: fossil [viz.: ‘outdated’], geezer (m) [viz.: ‘an old person, usually a male, typically a cranky old man’] ~ (Wiktionary English Dictionary).

• old fart (n.): an old man; a superannuated man; [e.g.]: ‘I feel like an old fart. My back’s stiff, my knees hurt, my teeth hurt’ ~ (Dictionary of American Slang).

• old fart (n.): a contemptible or tiresome person, especially one who is old-fashioned, stuffy, or close-minded; [e.g.]: ‘he was such an old fart’; ‘On television, there was some boring old fart in a suit talking about the dangers of credit growth’. ~ (Oxford English Dictionary).

• old fart (n.; plural old farts): (slang, insulting) an offensive term for somebody, usually a person in authority, who is regarded as being set in his or her ways and lacking a sense of humour. ~ (Encarta English Dictionary).

• old fart (n.): old-fashioned person; [synonyms]: dotard; dull person; fogy; fussbudget; fusspot; fussy person; granny; old fogy; old geezer; old maid; old poop; square; stick-in-the-mud; stuffed shirt. ~ (Roget’s 21st Century Thesaurus).

• attainer (n.): a person who attains or achieves something. ~ (Collins English Dictionary).

• attainer (n.; pl. attainers): one who attains (i.e., reaches or comes to, by progression or motion, a goal; gains an object or desired result; comes to or arrives at, by motion, growth, bodily exertion, or efforts, a place, an object, a state, etc.). [etymology: attain +‎ -er]. ~ (Wiktionary English Dictionary).

• attain (tr.v.): 1. to reach, achieve, or accomplish; gain; obtain; [e.g.]: “to attain one’s goals”; 2. to come to or arrive at; [e.g.]: “to attain the mountain peak”; (intr.v.): 3. to succeed in reaching something; [e.g.]: “to attain to knowledge”; 4. to reach in the course of development or growth; [e.g.]: “These trees attain to remarkable height”; (n.): *attainer*; attainability, attainableness; (adj.): attainable; (synonyms): gain, earn, win, attain; these verbs imply obtaining a reward or something advantageous; gain suggests the expenditure of effort to get or reach something desired; [e.g.]: “After battling the blizzard, we finally gained our destination”; earn emphasises a deserved reward for labour or services; [e.g.]: “to earn a promotion”; win stresses attainment in spite of competition or opposition; [e.g.]: “to win support in a campaign”; attain suggests a sense of personal satisfaction in having reached a lofty goal; [e.g.]: “to attain stardom”. [1300-50; Middle English atei(g)nen, from Anglo-French, Old French ateign-, singular of ateindre, from Vulgar Latin *attangere (for Latin attingere), from Latin at- + tangere, ‘to touch’]. [emphasis added]. ~ (Webster’s College Dictionary).

• experient (n.): a person undergoing an experience or having experience. ~ (Merriam-Webster Dictionary).

• experient (n.; pl. experients): a person who experiences something; (adj.): met with in the course of experience. [etymology: from Latin experiēns]. ~ (Wiktionary English Dictionary).

• operant (n.): a person or thing that operates; (adj.): producing effects; operating. ~ (Collins English Dictionary).

• operant (n.): 1. one that operates; 2. (psychology): an element of operant behaviour; (adj.): 1. operating to produce effects; effective; 2. (psychology): of, relating to, or being a response which occurs spontaneously and is identified by its reinforcing or inhibiting effects; (adv.): operantly. [Latin operāns, operant-, present participle of operārī, ‘to work’]. ~ (American Heritage Dictionary).

• operant (n.): 1. a person or thing which operates; 2. (adj.): having influence or producing an effect; [e.g.]: “an operant conscience”; “many emotional operants at work”; (related word): operative (being in force or having or exerting force; [e.g.]: “those operative regulations”; “the major tendencies operative in the political system”). ~ (Princeton’s WordNet 3.0).

__________

• “It is clear that, at the national level, a child in a school where over fifty percent of children receive free school meals is about six times as likely to be a low *attainer* in mathematics than a child in a school where under eight percent of children are eligible for free school meals...”. [emphasis added]. ~ (from “Mathematical Attainments in Primary Schooling: Raising Standards and Reducing Diversity”, by Julia Whitburn; Jan 1, 2002, National Institute Economic Review).

• obiter dictum (n.): 1. an incidental remark; (synonyms): passing comment; comment, remark, input (a statement which expresses a personal opinion or belief or adds information); [e.g.]: “from time to time she contributed a personal comment on his account”; 2. an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding; (synonyms): opinion, legal opinion; dictum (an authoritative pronouncement; a judicial assertion; a saying; a maxim); [e.g.]: “opinions are usually written by a single judge”. ~ (Princeton’s WordNet 3.0).

• obiter dictum (n.; pl. obiter dicta): 1. an incidental remark or opinion; 2. a judicial opinion in a matter related but not essential to a case. [1805-15; from Latin: a ‘saying by the way’]. ~ (Webster’s College Dictionary).

• obiter dictum (n.; pl. obiter dicta): 1. an observation by a judge on some point of law not directly in issue in the case before him or her and thus neither requiring a decision nor serving as a precedent, but nevertheless of persuasive authority; 2. any comment, remark, or observation made in passing. [Latin: ‘something said in passing’]. ~ (Collins English Dictionary).

• opportunist (n.): one who takes advantage of any opportunity to achieve an end, often with no regard for principles or consequences. ~ (American Heritage Dictionary).

• opportunism (n.): taking advantage of opportunities without regard for the consequences for others. ~ (WordNet 3.0).

• outrecuidance† (n): overweening presumption; arrogant or insulting conduct; [e.g.]: "Some think, my lord, it hath given you addition of pride and outrecuidance". (Chapman, "Monsieur D’Olive", iv. 1); "It is a strange outrecuidance; your humour too much redoundeth". (B. Jonson, "Cynthia’s Revels", v. 2). [French outrecuidance (= Italian oltracotanza, oltracuitanza), from outre, ‘beyond’, + Old French cuider = Italian cuitare, ‘think’, from Latin cogitate, ‘think’: see cogitate; viz.: from Latin cōgitatus, pp. of cōgitare, ‘consider’, ‘ponder’, ‘weigh’, ‘think upon’, from co-, ‘together’, + agitare, ‘shake’]. ~ (Century Dictionary and Cyclopaedia)