affaire d'honneur (F.). An affair of honor; a duel.
affaire du coeur (Fr.). An affair of the heart.
a fortiori (L.). With stronger reason.
à la mode (Fr.). According to the custom or fashion.
alter ego (L.). My other self.
alma mater (L.). Gracious mother; the college of which one is a graduate.
amende honorable (Fr.). Satisfactory apology; reparation.
amor patriae (L.). Love of country.
amour propre (Fr.). Self-love; vanity.
anno domini (L.). In the year of our Lord.