Etymology
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perception (n.)

late 14c., percepcioun, "understanding, a taking cognizance," from Latin perceptionem (nominative perceptio) "perception, apprehension, a taking," noun of action from past-participle stem of percipere "to perceive" (see perceive). Also used in Middle English in the more literal sense of the Latin word. The meaning "intuitive or direct recognition of some innate quality" is from 1827.

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self-perception (n.)

"faculty of the immediate introspection of the soul by itself," 1670s, from self- + perception.

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imperception (n.)
"want of perception," 1620s, from assimilated form of in- (1) "not, opposite of" + perception.
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misperception (n.)

"imperfect or erroneous perception," 1722; see mis- (1) "bad, wrong" + perception. Related: Misperceive (by 1867); misperceived; misperceiving.

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perceptual (adj.)

"of or pertaining to perception," 1852, from percept + -ual as in factual. Related: Perceptually.

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noematic (adj.)

"of or pertaining to the understanding, mental, intellectual," 1860, with -ic + Greek noēma "a perception, a thought," from noein "to see, perceive, have mental perception," from noos "mind, thought," which is of uncertain origin. Related: Noematical (1680s); noematically.

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ESP (n.)
also e.s.p., 1934, initialism (acronym) for extra-sensory perception.
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weltanschauung (n.)
1868 (William James), from German Weltanschauung, from welt "world" (see world) + anschauung "perception" (related to English show).
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noesis (n.)

"intellect, intelligence," 1820, from Greek noēsis "intelligence, thought," from noein "to see, perceive, have mental perception," from noos "mind, thought" which is of uncertain origin.

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noetic (adj.)

"pertaining to, performed by, or originating in the intellect," 1650s, from Greek noētikos "intelligent," from noēsis "a perception, intelligence, thought" (see noesis). Related: Noetical (1640s).

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