Combine into one (11)
There are a few possibilities for this:
consolidate
(Other definitions for unify that I've seen before include "Join into one" , "Amalgamate" , "Combine" , "Put together" , "Form into a single group" .)
(Other definitions for unite that I've seen before include "Come together as allies or comrades" , "Bring together, become one" , "Link" , "Become an integrated whole" , "Amalgamate" .)
'combine into one' is the definition.
(synonyms)
This is all the clue.
(Other definitions for blend that I've seen before include "Merge" , "Mix, stir" , "union" , "Combine into one" , "Amalgam" .)
'combine into one' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for merge that I've seen before include "Fuse" , "Join into one" , "Join, blend" , "Become combined" , "Amalgamate" .)
(Other definitions for consolidate that I've seen before include "Combine into a connected whole" , "Unify" , "Unite" , "Cement" , "Make stronger; combine into one" .)