consolidate
Pronunciation: /kənˈsɒlɪdeɪt/
verb
- 1make (something) physically stronger or more solid: the first phase of the project is to consolidate the outside walls
- strengthen (one’s position or power): the company consolidated its position in the international market
- 2combine (a number of things) into a single more effective or coherent whole: all manufacturing activities have been consolidated in new premises
- combine (a number of financial accounts or funds) into a single overall account or set of accounts: (as adjective consolidated) consolidated accounts
- chiefly British combine (separate pieces of legislation) into a single legislative act: the Companies Act 1948 and subsequent enactments were consolidated by the Companies Act 1985

Origin:
early 16th century (in the sense 'combine into a whole'): from Latin consolidare, from con- 'together' + solidare 'make firm' (from solidus 'solid')