perceptible
per.cep.ti.ble \p*r-'sep-t*-b*l\ \-ble-\ aj : capable of being perceivedMAPPRECIABLE, PONDERABLE mean apprehensible as real or existent. PERCEPTIBLE applies to what can be discerned by the senses to the smallest extent; SENSIBLE to what is clearly though not markedly seen, heard, smelled, sometimes in contrast to what is discerned only by the intellect; PALPABLE applies either to what has physical substance or to what is obvious and unmistakable; TANGIBLE suggests what is capable of being handled or grasped both physically and mentally; APPRECIABLE applies to what is distinctly discernible by the senses or definitely measurable; PONDERABLE suggests having definitely measurable weight or importance esp. as distinguished from eluding such determination - per.cep.ti.bly av SYN syn PERCEPTIBLE, SENSIBLE, PALPABLE, TANGIBLE, (
Webster's English Dictionary