The Collaborative International Dictionary of English v.0.48:

Gear \Gear\ (g[=e]r) v. t. [imp. & p. p. Geared (g[=e]rd); p.
   pr. & vb. n. Gearing.]
   1. To dress; to put gear on; to harness.
      [1913 Webster]

   2. (Mach.) To provide with gearing.
      [1913 Webster]

   3. To adapt toward some specific purpose; as, they geared
      their advertising for maximum effect among teenagers.
      [PJC]

   Double geared, driven through twofold compound gearing, to
      increase the force or speed; -- said of a machine.
      [1913 Webster]

WordNet (r) 3.0 (2006):

geared
    adj 1: equipped with or connected by gears or having gears
           engaged [ant: ungeared]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "geared":
   a propos, ad rem, adapted, applicable, apposite, appropriate,
   apropos, apt, becoming, befitting, dovetailing, felicitous, fit,
   fitted, fitting, happy, just right, likely, meshing, on the button,
   opportune, pat, qualified, relevant, right, seasonable, sortable,
   suitable, suited, suiting, tailored, to the point,
   to the purpose