WordNet Dictionary- [adj] vigorously active; "an acrobatic dance"; "an athletic child"; "athletic playing"; "gymnastic exercises"
- [adj] of or relating to or used in exercises intended to develop strength and agility; "gymnastic horse"
Webster's 1913 Dictionary\Gym*nas"tic\, Gymnastical \Gym*nas"tic*al\, a. [L. gymnasticus, Gr. ?: cf. F. gymnastique. See {Gymnasium}.] Pertaining to athletic exercises intended for health, defense, or diversion; -- said of games or exercises, as running, leaping, wrestling, throwing the discus, the javelin, etc.; also, pertaining to disciplinary exercises for the intellect; athletic; as, gymnastic exercises, contests, etc.\Gym*nas"tic\, n. A gymnast. [Obs.]