attemperate /əˈtɛm.pə.ɹət/adjective 1verb 1forms 5 adjective1 •(no longer used) tempered; proportioned; properly adapted.Hope must be […] attemperate to the promise. — 1644 verb1 •(no longer used) To attemper. formsattemperated · attemperating · attemperates · more attemperate · most attemperate