The adj apt has 4 senses (no senses from tagged texts)
1. apt, liable -- (at risk of or subject to experiencing something usually unpleasant; "he is apt to lose"; "she is liable to forget")
2. apt, clever -- (mentally quick and resourceful; "an apt pupil"; "you are a clever man...you reason well and your wit is bold"-Bram Stoker)
3. apt, disposed, given, minded, tending -- ((usually followed by `to') naturally disposed toward; "he is apt to ignore matters he considers unimportant"; "I am not minded to answer any questions")
4. apposite, appropriate, apt, pertinent -- (being of striking appropriateness and pertinence; "the successful copywriter is a master of apposite and evocative verbal images"; "an apt reply")