dissemble

verb4

1. •
   To disguise or conceal something.

   • Dissemble all your griefs and discontents. — 1588
2. •
   To falsely hide one's opinions or feelings.

   • VVhile to his Arms the blushing Bride he took; / To seeming Sadness she compos'd her Look; / As if by Force subjected to his VVill, / Tho' pleas'd, dissembling, and a VVoman still. — 1700
3. •
   To feign, dissimulate.

   • And like a Lyon, Slumbring in the vvay, / Or Sleep-dissembling, vvhile he vvaits his Prey, […] — 1681
4. •
   To deliberately ignore something; to pretend not to notice.