perceptible
From LSJ
ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
adj.
To be seen: P. and V. θεατός. Clear, manifest: P. and V. σαφής, ἐμφανής, φανερός. Capable of being perceived by the senses (philosophical term): P. αἰσθητός (Plat.). Important enough to be noticed: use P. ἀξιόλογος.
δεικτός, διάκριτος, ἀντιληπτός, αἰσθητικός