aptness
apt·ness
noun
1.
a disposition to behave in a certain way
- “the aptness of iron to rust”
- “the propensity of disease to spread”
2.
Origin
From apt + -ness.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.