| adjective | (usually followed by `to') naturally disposed toward “he is apt to ignore matters he considers unimportant” |
| adjective | at risk of or subject to experiencing something usually unpleasant “he is apt to lose” |
| adjective | mentally quick and resourceful; ; -Bram Stoker “an apt pupil” |
| adjective | being of striking appropriateness and pertinence “the successful copywriter is a master of apposite and evocative verbal images” |
| aptness | noun | a disposition to behave in a certain way |
| liability | noun | the quality of being something that holds you back |
| cleverness | noun | intelligence as manifested in being quick and witty |
| appositeness | noun | appropriateness for the occasion |
| pertinency | noun | relevance by virtue of being applicable to the matter at hand |
| pertinence | noun | relevance by virtue of being applicable to the matter at hand |
| pertain | verb | be relevant to |