Meaning of “consolidate” - Learner’s Dictionary

consolidate

verb uk us /kənˈsɒlɪdeɪt/
GET STRONGER [ I, T ]

to make sure that you become more powerful, or that success and achievements continue strongly:

It will take him some time to consolidate his position in the banking world.
COMBINE [ T ]

to combine several things, especially businesses, so that they become more effective, or to be combined in this way:

He consolidated his businesses into one large company.
consolidation uk us /kənˌsɒlɪˈdeɪʃən/ noun [ U ]

(Definition of “consolidate” from the Cambridge Learner’s Dictionary © Cambridge University Press)