Synonyms for Vest (same or very similar meaning)
WordNet sense 1 (a man's sleeveless garment worn underneath a coat):
waistcoat
WordNet sense 2 (a collarless men's undergarment for the upper part of the body):
undershirt, singlet
WordNet sense 3 (provide with power and authority):
enthrone, invest
WordNet sense 4 (clothe formally; especially in ecclesiastical robes):
robe
From the ODE community, based on WordNet
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