- adoption or advocacy, as of a cause or principle.
- Sometimes espousals.
- a marriage ceremony.
- an engagement or betrothal celebration.
- adoption or supportan espousal of new beliefs
- (sometimes plural) archaic a marriage or betrothal ceremony
late 14c., from Old French esposailles (plural) “act of betrothal” (12c., Modern French époussailles), from Latin sponsalia “betrothal, espousal,” noun use of neuter plural of sponsalis “of a betrothal,” from sponsa “spouse.” For the -e- see .