"unification" in the noun sense
1. fusion, merger, unification
an occurrence that involves the production of a union
2. union, unification
the state of being joined or united or linked
"there is strength in union"
3. union, unification, uniting, conjugation, jointure
the act of making or becoming a single unit
"the union of opposing factions"
"he looked forward to the unification of his family for the holidays"
Source: WordNet® (An amazing lexical database of English)
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