aptness
    n 1: a disposition to behave in a certain way; "the aptness of
         iron to rust"; "the propensity of disease to spread" [syn:
         aptness, propensity]
    2: appropriateness for the occasion; "the phrase had
       considerable aptness" [syn: aptness, appositeness] [ant:
       inappositeness, inaptness]

Aptness \Apt"ness\, n.
   1. Fitness; suitableness; appropriateness; as, the aptness of
      things to their end.
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            The aptness of his quotations.        --J. R. Green.
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   2. Disposition of the mind; propensity; as, the aptness of
      men to follow example.
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   3. Quickness of apprehension; readiness in learning;
      docility; as, an aptness to learn is more observable in
      some children than in others.
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   4. Proneness; tendency; as, the aptness of iron to rust.
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