from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An inherent ability, as for learning; a talent. See Synonyms at ability.
- n. Quickness in learning and understanding; intelligence.
- n. The condition or quality of being suitable; appropriateness.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Natural ability to acquire knowledge or skill.
- n. The condition of being suitable.
from the GNU version of the Collaborative International Dictionary of English
- n. A natural or acquired disposition or capacity for a particular purpose, or tendency to a particular action or effect.
- n. A general fitness or suitableness; adaptation.
- n. Readiness in learning; docility; aptness.
from The Century Dictionary and Cyclopedia
- n. The state or quality of being apt or fit for or suited to a purpose, place, or situation; fitness; suitableness.
- n. A natural tendency or acquired inclination; both capacity and propensity for a certain course: as, oil has an aptitude to burn; men acquire an aptitude to particular vices.
- n. Readiness in learning; teachableness; quickness to understand and acquire; intelligence; talent.
- n. Synonyms Faculty, Capacity, etc. See genius.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. inherent ability
Middle English, tendency, from Late Latin aptitūdō, aptitude, from Latin aptus, apt; see apt.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Medieval Latin aptitudo, from Latin aptus ("apt, fit"); see apt. Compare attitude, which is a doublet of aptitude. (Wiktionary)