bonding has 1 distinct synonym spread across 1 of its 3 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
a close personal relationship that forms between people (as between husband and wife or parent and child)
(dentistry) a technique for repairing a tooth; resinous material is applied to the surface of the tooth where it adheres to the tooth's enamel
Synonyms, antonyms and the broader and narrower relations for bonding come from Princeton University’s WordNet. Full sources and licences.