[apt], (Adjective)

Definitions:
- appropriate or suitable in the circumstances
(e.g: the theme could not be more apt)

- having a tendency to do something
(e.g: he is apt to be swayed by irrational considerations)

- quick to learn
(e.g: she proved an apt pupil)


Phrases:

Origin:
late Middle English (in the sense ‘suited, appropriate’): from Latin aptus ‘fitted’, past participle of apere ‘fasten’