Uniting
Part of speech: verb
Definition: To bring together as one.
Merger
Part of speech: noun
Definition: The act or process of merging two or more parts into a single unit.The legal union of two or more corporations into a single entity, typically assets and liabilities being assumed by the buying party.An absorption of one or more estate(s) or contract(s) into one other, all being held by the same owner; of several counts of accusation into one judgement, etc..A type of sound change where two or more sounds merge into one
Example sentence: Every single time you make a merger, somebody is losing his identity. And saying something different is just rubbish.