Meanings (ES + gloss)
comprometerse en matrimonio • desposarse
Of a man: to promise to take (a woman) as a future spouse; to plight one's troth to.
comprometer en matrimonio • desposar • prometer (en matrimonio)
Often of a parent or guardian: to promise that (two people) be married to each other; specifically and chiefly, to promise that (a woman) be given in marriage to a man; to affiance.
He betrothed his daughter to a distant relative.
The couple were betrothed not long after they met each other.