(euphemistic) sexual intercourse

simple past tense and past participle of act upon

present participle of act upon

(military) An action that would justify the initiation of hostilities against the perpetrator; an action that by its nature comprises a cessation of peace.

plural of acte gratuit

To sneak into a venue during the intermission without paying.

present participle of second-act

simple past tense and past participle of second-act

(intransitive) To perform on stage; to act in a play. / (transitive) To play (a scene, role etc.); to act out.

present participle of act the goat