Definitions

Sensational; Sensibilia; Sensibility; Sensible

 Sensitive/Sensitivity; Sensual; Sensuous; Sentience

• sensational (adj.): of or relating to sensation or the senses; (synonyms): sensitive, sensorial, sensory, sensual, sensuous. [French, from Old French, from Medieval Latin sēnsātiō, sēnsātiōn-,from Late Latin sēnsātus, ‘gifted with sense’; from Latin sēnsus, ‘sense’; from past participle of sentīre, ‘to feel’ + -al]. ~ (American Heritage Roget’s Thesaurus).

Sensibilia:

• sensitive (adj.): responsive to or aware of feelings, moods, reactions, etc.; (adv.): sensitively; (n.): sensitiveness. [C14: from Medieval Latin sēnsitīvus, from Latin sentīre, ‘to feel’]. ~ (Collins English Dictionary).

• sensitive (adj.): being susceptible to the attitudes, feelings, or circumstances of others; (antonym): insensitive (=deficient in human sensitivity; not mentally or morally sensitive). ~ (Princeton’s WordNet 3.0).

• sensitivity (n.): sensitive to emotional feelings of self and others; (synonyms): sensitiveness; feeling (=the experiencing of affective and emotional states); [e.g.]: “she had an uneasy feeling of distress”; “he had terrible feelings of guilt”; “he disliked me and the feeling was mutual”; oversensitiveness, hypersensitivity (=pathological sensitivity); sensibility (=refined sensitivity to pleasurable or painful impressions; [e.g.]: “her cruelty affected his sensibility profoundly”); feelings (=emotional or moral sensitivity, esp. in relation to personal principles or dignity); [e.g.]: “the remark hurt his feelings deeply”; (antonyms): insensitiveness, insensitivity (=the inability to respond to affective changes when in an interpersonal environment). ~ (Princeton’s WordNet 3.0).

• sensitivity (n.): ‘close to the bone’: deep; near to the heart; to the quick; close to home; also ‘near to the bone’: the deeper a physical wound, the closer it is to the bone; the phrase is usually used figuratively of mental or emotional sensation; ‘to the quick’: where one is most sensitive and vulnerable; to the very heart or core; deeply; often ‘cut to the quick’; in this phrase ‘the quick’ means “the tender, sensitive flesh of the body, particularly that under the nails”; the expression dates both in literal and figurative usage from the 1520s, but is commonly used today to denote extreme mental or emotional pain. ~ (Picturesque Expressions: A Thematic Dictionary).

• sensitively (adv.): in a sensitive manner. ~ (Century Dictionary and Cyclopaedia).

• sensitive (adj. and n.): I. (adj.): 1. of, pertaining to, or affecting the senses; depending on the senses; [e.g.]: “The sensitive faculty may have a sensitive love of some sensitive objects”. (Rev. Dr. Henry Hammond; 1605-1660); “All the actions of the sensitive appetite are in painting called passions, because the soul is agitated by them, and because the body suffers through them and is sensibly altered”. (John Dryden, “Observations on the Art of Painting of Charles-Alphonse Dufresnoy”, 1695; page 150⁽⁰¹⁾); 

2. having sense, sensibility, or feeling; capable of receiving impressions from external objects; often extended, figuratively, to various inanimate objects; [e.g.]: “We have spoken sufficiently of trees, herbs, and fruits. We will therefore entreat of things sensitive now”. (Peter Martyr; trans. in Richard Eden’s “First Books on America”, 1895, Edward Arber, p. 131⁽⁰²⁾);

 3. of keen sensibility; keenly susceptible of external influences or impressions; easily and acutely affected or moved by outward circumstances or impressions: as, a sensitive person, or a person of sensitive nature; figuratively extended to inanimate objects; [e.g.]: “She was too sensitive to calumny and abuse”. (Thomas Babington, First Baron Macaulay); “We are sensitive to faults in those we love, while committing them ourselves as if by chartered right”. (Edmund Clarence Stedman, “Victorian Poets”, p. 137); “What is commonly called a sensitive person is one whose sense-organs cannot go on responding as the stimulus increases in strength, but become fatigued”. (John Sully, “Outlines of Psychology”, p. 145); “I borrow the term sensitive, for magneto-physiological reaction, from vegetable physiology, in which plants of definite irritability... are called sensitive in distiction to sensible”. (Baron Karl von Reichenbach, 1788-1869, “Researches on Dynamics”; trans. 1851, footnote, pp. 58-59⁽⁰³⁾); 

II. (n.): 1. something which feels; a sensorium {i.e., the sentiency faculty; a part of the brain, or the brain itself, regarded as the seat of sentiency}; 

2. a sensitive person; specifically, one who is sensitive to mesmeric or hypnotic influences or experiments; [e.g.]: “For certain experiments it is much to be desired that we should find more sensitives of every kind”. (Proceedings of the Society for Psychic Research, II. 48). [early modern English, also sencitive; from Old French (and French) sensitif = Provinçal sensitiu = Spanish, Portuguese, Italian sensitico, from Medieval Latin sensitivus, from Latin sentire, pp. sensus, perceive: see sense¹]. [curly-bracketed insert added]. ~ (Century Dictionary and Cyclopaedia).

• sensitiveness (n.): the property or character of being sensitive; especially, tendency or disposition to be easily influenced or affected by external objects, events, or circumstances: as, abnormal sensitiveness the sensitiveness of a balance or some fine mechanism; [e.g.]: “Parts of the body which lose all sensitiveness come to be regarded as external things”. (Prof. George Trumbull Ladd, 1842-1921, “Elements of Physiological Psychology”, 1887, p. 401⁽⁰⁴⁾). ~ (Century Dictionary and Cyclopaedia).

⁽⁰¹⁾ [https://archive.org/details/physicophysiolog1851reic/page/n6/mode/1up].
⁽⁰²⁾ [https://archive.org/details/firstthreeenglish00arberich/page/131/mode/1up].
⁽⁰³⁾ [https://quod.lib.umich.edu/e/eebo/A36766.0001.001/1:7].
⁽⁰⁴⁾ [https://archive.org/details/in.ernet.dli.2015.157192/page/n416/mode/1up].