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Origin and history of rationalize

rationalize(v.)

1767, "explain in a rational way, make conformable to reason," from rational + -ize. The psychological sense of "to give an explanation that conceals true motives" dates from 1922, on the notion of "cause to appear reasonable or socially acceptable." In 19c. Newman and Browning also used it with an intransitive sense of "think for oneself, employ one's reason as the supreme test." Related: Rationalized; rationalizer; rationalizing.

also from 1767

Entries linking to rationalize

rational(adj.)

late 14c., racional, "pertaining to or springing from reason;" mid-15c., of persons, "endowed with reason, having the power of reasoning," from Old French racionel and directly from Latin rationalis "of or belonging to reason, reasonable," from ratio (genitive rationis) "reckoning, calculation, reason" (see ratio).

In arithmetic, "expressible in finite terms," 1560s. Meaning "conformable to the precepts of practical reason" is from 1630s. Related: Rationally. It is from the same source as ratio and ration; the sense in rational is aligned with that in related reason (n.), which got deformed in French.

rationalise(v.)

chiefly British English spelling of rationalize; see -ize. Related: Rationalised; rationalising; rationalisation.

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rationalization
1825, "a rendering rational, act of subjection to rational tests or principles," from rationalize + -ation. The specific sense in psychology in reference to subconscious means to justify behavior to make it seem rational or socially acceptable is by 1908. Of the three works now
cut
c. 1300, "to make, with an edged tool or instrument, an incision in; make incisions for the purpose of dividing into two or more parts; remove by means of a cutting instrument;" of an implement, "have a cutting edge," according to Middle English Compendium from a presumed Old Eng
prune
mid-14c., "a plum," also "a dried plum" (c. 1200 in place name Prunhill), from Old French pronne "plum" (13c.), from Vulgar Latin *pruna, fem. singular formed from Latin pruna, neuter plural of prunum "a plum," a dissimilated borrowing of Greek proumnon, from proumnē "plum tree,"
eliminate
1560s, "to thrust out, remove, throw out of doors," from Latin eliminatus, past participle of eliminare "thrust out of doors, expel," from ex limine "off the threshold," from ex "off, out" (see ex-) + limine, ablative of limen "threshold" (see limit (n.)). Used literally at first
mitigate
early 15c., "relieve (pain); make mild or more tolerable; reduce in amount or degree," from Latin mitigatus, past participle of mitigare "soften, make tender, ripen, mellow, tame," figuratively, "make mild or gentle, pacify, soothe," ultimately from mitis "gentle, soft" + root of
change
c. 1200, "to alter, make different, change" (transitive); early 13c. as "to substitute one for another;" mid-13c. as "to make (something) other than what it was, cause to turn or pass from one state to another;" from late 13c. as "to become different, be altered" (intransitive),
modify
late 14c., modifien, "alter, amend, adjust, change the properties, form, or function of;" also "set limits, keep within the bounds of reason; choose a middle course," from Old French modifier (14c.), from Latin modificare "to limit, measure off, restrain," from modus "measure, ma
think
Old English þencan "imagine, conceive in the mind; consider, meditate, remember; intend, wish, desire" (past tense þohte, past participle geþoht), probably originally "cause to appear to oneself," from Proto-Germanic *thankjan (source also of Old Frisian thinka, Old Saxon thenkia
gloss
"glistening smoothness, luster," 1530s, probably from Scandinavian (compare Icelandic glossi "a spark, a flame," related to glossa "to flame"), or obsolete Dutch gloos "a glowing," from Middle High German glos; probably ultimately from the same source as English glow (v.). Superf
organize
early 15c., organisen, "to construct, establish," from Old French organiser and directly from Medieval Latin organizare, from Latin organum "instrument, organ" (see organ). Meaning "to form into a whole consisting of interdependent parts" is from 1630s. The intransitive sense of

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