unify
v.v. to bring different parts or groups together to form a single unit. You use this when people or things start working as one team or under one system.
v. to bring separate parts together to form a single, coherent whole. Transitive in most contexts, though it can function intransitively to describe the process of merging.
The new leader hopes to unify the country.
The manager implemented a single software platform to unify the communication across all regional offices.
Physicists have long sought a single theory that can unify the four fundamental forces of nature into one elegant mathematical framework.
From Middle French unifier, from Late Latin unificare.
The verb is transitive and takes a direct object; it often appears in the passive voice when describing political or social movements.
The two companies unified into one.The two companies merged into one.While 'unify' describes the act of making things one, 'merge' is more common for business entities becoming a single legal body.