forget

(verb) dismiss from the mind; stop remembering. Synonyms: bury. Example: "I tried to bury these unpleasant memories."

(verb) be unable to remember. Synonyms: block, blank out, draw a blank. Examples: "I'm drawing a blank." "You are blocking the name of your first wife!."

(verb) forget to do something. Example: "Don't forget to call the chairman of the board to the meeting!."

(verb) leave behind unintentionally. Synonyms: leave. Examples: "I forgot my umbrella in the restaurant." "I left my keys inside the car and locked the doors."