“joy” in Latin

gaudium (joy as an inward state of mind): laetitia: hilaritas: alacritas (joy as manifesting itself outwardly; laetitia, chiefly in an unwrinkled forehead, and a mouth curled for smiling; hilaritas, in eyes quickly moving, shining, and radiant with joy; alacritas, in eyes that roll, sparkle, and announce spirit. The gaudens, the laetus, the hilaris, derive joy from a piece of good fortune; the alacer, at the same time, from employment or action, Döderlein). (The words are found in this connection and order.) gaudium atque laetitia: voluptas (mental or bodily pleasure). (The words are found in this connection and order.) laetitia ac voluptas: deliciae (in the tense of “joy,” “delight,” is poetical). To be the cause of joy to anybody, gaudium or laetitiam alicui afferre: your doing this has caused me a lively joy, magnum mihi gaudium attulisti, quod, etc.: anything fills me withj., magna laetitia, magno gaudio me afficit aliquid; aliquid summae mihi voluptati est; magnum gaudium, magnam laetitiam voluptatemque capio (percipio) ex aliqua re: anything has filled me with joy, aliquid me laetitia extulit (Cic.). To heighten anybody’s joy, to cause it to overflow, etc., gaudio aliquem cumulare; cumulum alicui gaudii afferre (both when a circumstance before mentioned had given the person much joy, which the one now mentioned heightens). To be beside one’s self with joy, efferri laetitia; laetitia exsultare (Cic.); gaudio exsilire, exsultare; laetum esse omnibus laetitiis (from the comedy of Caecilius., but often used by Cic.); nimio gaudio paenue desipere; prae gaudio, ubi sim, nescio: to sing for joy, laetitia excirari ad canendum: all received him with joy, eum advenientem laeti omnes accepere.

Tears of joy, elicitae gaudio lacrimae. To shed tears of joy, gaudio lacrimare, lacrimas effundere: I shed tears of joy, gaudio lacrimae mihi manant, or cadunt, or eliciuntur; prae laetitia lacrimae praesiliunt mihi (Plaut., Stich., 3, 2, 13).