PERCEPTIBLE

detectable, perceptible

(adjective) easily seen or detected; “a detectable note of sarcasm”; “he continued after a perceptible pause”

perceptible

(adjective) capable of being perceived by the mind or senses; “a perceptible limp”; “easily perceptible sounds”; “perceptible changes in behavior”; “a perceptible sense of expectation in the court”

Source: WordNet® 3.1

Etymology

Adjective

perceptible (comparative more perceptible, superlative most perceptible)

Able to be perceived, sensed, or discerned.

Noun

perceptible (plural perceptibles)

Anything that can be perceived.

Source: Wiktionary

Per*cep"ti*ble, a. Etym: [L. perceptibilis: cf. F. perceptible. See Perceive.]

Definition: Capable of being perceived; cognizable; discernible; perceivable. With a perceptible blast of the air. Bacon.

– Per*cep"ti*ble*ness, n.

– Per*cep"ti*bly, adv.

Source: Webster’s Unabridged Dictionary 1913 Edition