1. (noun)amalgamation, merger, uniting the combination of two or more commercial companies Synonyms: amalgamation, merger, unification, uniting, conjugation, fusion, jointure, union
2. (noun)fusion, merger, unification an occurrence that involves the production of a union Synonyms: amalgamation, merger, nuclear fusion reaction, unification, optical fusion, fusion, coalition, conjugation, uniting, jointure, nuclear fusion, spinal fusion, union