Perceptible

прилагательное заметный, ощутимый, воспринимаемый; понятный, постижимый Синоним(ы): cognizable, apprehensible, observable

Большой англо-русский словарь

Perceptible

adjective capable of being perceived especially by the senses Example: a perceptible change in her tone Example: a barely perceptible lightperceptibility nounperceptibly adverb Synonyms: perceptible, sensible, palpable, tangible, appreciable, ponderable mean apprehensible as real or existent. perceptible applies to what can be discerned by the senses often to a minimal extent Example: a perceptible difference in sound to a careful listener. sensible applies to whatever is clearly apprehended through the senses or impresses itself strongly on the mind Example: an abrupt, sensible drop in temperature. palpable applies either to what has physical substance or to what is obvious and unmistakable Example: the tension in the air was almost palpable. tangible suggests what is capable of being handled or grasped both physically and mentally Example: no tangible evidence of UFOs. appreciable applies to what is distinctly discernible by the senses or definitely measurable Example: an appreciable increase in income. ponderable suggests having definitely measurable weight or importance Example: exerted a ponderable influence on world events.

Merriam-Webster's Collegiate Dictionary