The Collaborative International Dictionary of English v.0.48:

Tactic \Tac"tic\, Tactical \Tac"tic*al\, a. [Gr. taktiko`s. See
   tactics.]
   Of or pertaining to military or naval tactics; hence,
   pertaining to, or characterized by, planning or maneuvering
   for the short term; -- contrasted with strategic, planning
   for the long term.
   -- Tac"tic*al*ly, adv.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

tactical
    adj 1: of or pertaining to tactic or tactics; "a tactical error"

Moby Thesaurus II by Grady Ward, 1.0:

88 Moby Thesaurus words for "tactical":
   Machiavellian, Machiavellic, acute, adept, adroit, advisable, arch,
   arranged, artful, astute, blueprinted, cagey, calculated, canny,
   charted, clever, contrived, crafty, cunning, cute, deceitful, deep,
   deep-laid, delicate, designed, designing, devised, diplomatic,
   feline, figured, foxy, guileful, in the works, ingenious,
   insidious, inventive, knowing, methodized, on the agenda,
   on the anvil, on the calendar, on the carpet, on the docket,
   on the tapis, organized, pawky, planned, plotted, politic,
   projected, prudent, rationalized, ready, resourceful, scheduled,
   schematized, scheming, serpentine, set, shaped, sharp, shifty,
   shrewd, slick, slippery, sly, smart, smooth, snaky, sneaky,
   sophistical, stealthy, strategetic, strategic, subtile, subtle,
   supple, sur le tapis, systematized, tactful, trickish, tricksy,
   tricky, vulpine, wary, wily, wise, worked out