impersonify

Example:She disguises her true feelings well.

Definition:to conceal the true identity or appearance of someone or something, often for a deceptive purpose

Example:He hid his face in his hands, ashamed of what he had done.

Definition:to place or conceal (someone or something) out of sight

Example:She pretended to be interested in the conversation but was actually bored.

Definition:to act or behave as if one is (someone or something one is not)