Dissemble

Webster's Dictionary of the English Language

·vt To put on the semblance of; to make pretense of; to Simulate; to Feign.

II. Dissemble ·vi To conceal the real fact, motives, /tention, or sentiments, under some pretense; to assume a false appearance; to act the hypocrite.

III. Dissemble ·vt To hide under a false semblance or seeming; to feign (something) not to be what it really is; to put an untrue appearance upon; to Disguise; to Mask.