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.

The first school in what is now South Sioux City was built around 1857. This school was taught by Mary Pinkerton, and was located just north of Lewis and Clark Elementary.