tactic

noun

1. tactics(def 1).
2. a system or a detail of tactics.
3. a plan, procedure, or expedient for promoting a desired end or result.

adjective

4. of or relating to arrangement or order; tactical.

noun

1. a piece of tactics; tactical moveSee also tactics

n.1766, from Modern Latin tactica, from Greek taktike (tekhne) “(art of) arrangement,” from fem. of taktikos (see tactics). Earlier it meant “a tactician” (1630s), and was in use as an adjective meaning “tactical” (c.1600).