ac·qui·si·tion /ˌa-kwə-'zi-shən/ n
1: the act or action of acquiring; specif: the obtaining of controlling interest in a company compare merger, takeover
2: a thing gained or acquired

Merriam-Webster’s Dictionary of Law. . 1996.

I noun acceptance, acceptation, acquirement, appropriation, assumption, attainment, find, gain, gleaning, intaking, obtainment of property, possession, procuration, procurement, realization, receival, receiving, reception, recipience, stealing, taking associated concepts: acquisition by purchase, acquisition of assets, acquisition of property, acquisition value foreign phrases:
- Qui acquirit sibi acquirit haeredibus. — He who acquires for himself acquires for his heirs.
II index accession (enlargement), adverse possession, appropriation (taking), assumption (adoption), boom (prosperity), collection (accumulation), cumulation, distress (seizure), profit, realization, receipt (act of receiving), recovery (repossession), replevin, takeover, taking

Burton's Legal Thesaurus. . 2006

The process of acquiring; something acquired.

The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. . 2008.

In the context of business combinations, the application of resources by an enterprise to obtain ownership or control of another enterprise.

Practical Law Dictionary. Glossary of UK, US and international legal terms. . 2010.