v. ap·proved, ap·prov·ing, ap·proves
1. To consent to officially or formally; confirm or sanction: The Senate approved the treaty.
2. To consider right or good: "He came to ask me ... whether I approved his choice altogether" (Jane Austen).
3. Obsolete To prove or attest.
To show, feel, or express approval: We didn't approve of the decision.
[Middle English appreven, approven, from Old French aprover, from Latin approbāre : ad-, ad- + probāre, to test (from probus, good; see per1 in the Appendix of Indo-European roots).]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.