Of a person or thing: that has the effect of uniting; characterized by or involving union or unification.

That unites two or more people or things; that brings about union or unity.

That unifies.

That unifies or unites; producing unity.

Having the function of moulding into unity; unifying.

Of or relating to a unit or units; of the nature of a unit; = unitary, adj. 2. In later use chiefly in legal contexts.

tending to unify.