Particular direction or tendency; flexion; course.
The act of giving:
(An) inborn tendency to behave in a way characteristic of a species; natural, unlearned, predictable response to stimuli
A natural ability or talent
Power or ability to do some particular thing; special aptitude or skill
A clever expedient or way of doing something
A fit or a period of giddiness.
Skill, expertness, or talent
A way, passage, or avenue by which a place or buildings can be approached; an access.
Propensity is defined as a natural tendency.
The foremost or leading position:
Find another word for aptness. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for aptness, like: bent, flair, gift, instinct, aptitude, faculty, genius, knack, talent, turn and ability.