dissimulate

from WordNet (r) 3.0 (2006)

dissimulate
    v 1: hide (feelings) from other people

from The Collaborative International Dictionary of English v.0.48

Dissimulate \Dis*sim"u*late\, a. [L. dissimulatus, p. p. of
   dissimulare. See {Dissemble}.]
   Feigning; simulating; pretending. [Obs.] --Henryson.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

dissimulate \dis*sim"u*late\, v. i.
   To dissemble; to feign; to pretend.
   [1913 Webster]

[email protected]