Definition that contains the union
- trinity the union of the Father and Son and Holy Ghost in one Godhead
- coalition the union of diverse things into one body or form or group; the growing together of parts
- coalescence the union of diverse things into one body or form or group; the growing together of parts
- concretion the union of diverse things into one body or form or group; the growing together of parts
- syncretism the union (or attempted fusion) of different systems of thought or belief (especially in religion or philosophy)
- coalescency the union of diverse things into one body or form or group; the growing together of parts
- blessed trinity the union of the Father and Son and Holy Ghost in one Godhead
- conglutination the union of diverse things into one body or form or group; the growing together of parts
- holy trinity the union of the Father and Son and Holy Ghost in one Godhead
- enosis the union of Greece and Cyprus (which is the goal of a group of Greek Cypriots)