Source : Webster's Revised Unabridged Dictionary (1913)

Temporizer \Tem"po*ri`zer\, n.
   One who temporizes; one who yields to the time, or complies
   with the prevailing opinions, fashions, or occasions; a
   trimmer.

         A sort of temporizers, ready to embrace and maintain
         all that is, or shall be, proposed, in hope of
         preferment.                              --Burton.

Source : WordNet®

temporizer
     n : someone who temporizes; someone who tries to gain time or
         who waits for a favorable time [syn: {temporiser}]