Answer: consolidate

AnswerCrossword Clue
CONSOLIDATECombine
consolidateCombine (a number of things) into a single more effective or coherent whole
consolidateto join together into one whole
consolidateCombine (a number of financial accounts or funds) into a single overall account or set of accounts
consolidateReinforce or strengthen (one's position or power)
consolidateBecome stronger or more solid
consolidateMake (something) physically stronger or more solid
consolidateCombine (two or more legal actions involving similar questions) into one for action by a court