Knack

1. (v. i.) To crack; to make a sharp, abrupt noise to chink.

2. (v. i.) To speak affectedly.

3. (n.) A petty contrivance; a toy; a plaything; a knickknack.

4. (n.) A readiness in performance; aptness at doing something; skill; facility; dexterity.

5. (n.) Something performed, or to be done, requiring aptness and dexterity; a trick; a device.

Thesaurus Entries

ability, adroitness, aptitude, aptness, art, bauble, bent, bibelot, bric-a-brac, capacity, command, dexterity, expertise, expertism, expertness, facility, feel, flair, fribble, gaud, genius, gewgaw, gift, gimcrack, hang, head, intuition, kickshaw, knickknack, know-how, mastership, mastery, nose, proficiency, quickness, readiness, set, skill, swing, talent, touch, toy, trick, trinket, turn, way, whim-wham