dissimulate \dih-SIM-yuh-layt\, transitive verb:
1. To conceal under a false appearance.
intransitive verb:
1. To hide one's feelings or intentions; to put on a false appearance; to feign; to pretend.

George Washington Gale Ferris, Jr. based his invention, the Ferris Wheel, on the design of large paddle boats he saw passing by his home.