Unify

15 clues
Join
Fuse
Ally
Merge
Unite
Combine
Conjoin
Make one
Amalgamate
Consolidate
Join together
Come together
Bring together
Form a coalition
Pull together ___
Similar answers:
Aarondirtylaundry
Abadwaytolunch
Abaserunner
Abcrunch
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Abound
Abounded
Aboundin
Abounding
Abounds
Aboveground
Abovegroundpool
Abun
Abunch
Abunchofbaloney
Abunchofvintners
Abundance
Abundant
Abundantly
Abundantlyclear