to mark off as different (often fol. by from or by )

He was distinguished from the other boys by his height.

to recognize as distinct or different; recognize the salient or individual features or characteristics of

It is hard to distinguish her from her twin sister.

to perceive clearly by sight or other sense; discern; recognize

He could not distinguish many of the words.

to set apart as different; be a distinctive characteristic of; characterize

It is his Italian accent that distinguishes him.

to make prominent, conspicuous, or eminent

to distinguish oneself in battle.

to divide into classes; classify

Let us distinguish the various types of metaphor.

Archaic . to single out for or honor with special attention.

to indicate or show a difference (usually fol. by between ).

to recognize or note differences; discriminate.

adjective

appreciable , detectable , discernible , noticeable , observable , palpable , perceivable , ponderable , sensible