The process of becoming aware through sight, sound, taste, smell, or touch; detection."Perceptible," applies to what can be discerned to a minimal extent, and it belongs to a family of "detectable" synonyms. "Appreciable" means capable of being perceived or measured (see appreciate), and applies to what is highly noticeable or definitely measurable. "Sensible" refers to something that is clearly perceived (see sense). "Palpable" applies to something that, if it doesn't have actual physical substance, is nevertheless quite noticeable via the senses ("a palpable chill in the air"). "Tangible" is used for something capable of being handled or grasped, either physically and mentally.Quote: The artist is a person who is expert in the training of perception." Marshall McLuhan (1911-1980), Canadian educator and writer. See artist, mass media, and popular culture.Other resources about perception: See a demonstration of some interesting perceptual phenomena using Leonardo's Mona, at the Exploratorium. Also see attention, colorblindness, consciousness, context, definition, d?j? vu, gestalt, irony, knowledge, memory, mirror, night blindness or nyctalopia, obsession, ophthalmology, Op Art, optical, optical illusion, optical mixing, photoreceptors, point of view, reversible, seeing, subliminal message or subliminal advertising, trompe l'oeil, and ultraviolet.