human action,
human activity,
deed,
act a legal document signed and sealed and delivered to effect a transfer of property and to show the legal right to possess it; "he signed the deed"; "he kept the title to his car in the glove compartment"
leave-taking,
farewell,
parting,
leave the act of departing politely; "he disliked long farewells"; "he took his leave"; "parting is such sweet sorrow"
french leave an abrupt and unannounced departure (without saying farewell)