Tra từ approve - Từ điển American Heritage Dictionary 4th

ap·prove (ə-pro͞ovʹ)v. ap·proved, ap·prov·ing, ap·provesv. tr.
1. To consider right or good; think or speak favorably of.
2. To consent to officially or formally; confirm or sanction:
The Senate approved the treaty.
3. Obsolete. To prove or attest.v. intr.
To show, feel, or express approval:
didn't approve of the decision. [Middle English approven, from Old French aprover, from Latin approbāre: ad-, ad- + probāre, to test (from probus, good. See per¹ in Indo-European Roots).] ap·provʹa·ble adj.ap·provʹing·ly adv.
Synonyms: approve, endorse, sanction, certify, accredit, ratify
These verbs mean to express a favorable opinion or to signify satisfaction or acceptance. Approve means to consider right or good, but it can also denote official consent: “The colonel or commanding officer approves the sentence of a regimental court-martial” (Charles James). Endorse implies the public expression of support: The senator endorsed the candidate by issuing a press release. Sanction usually implies official authorization: The privilege of voting is a right sanctioned by law. Certify and accredit imply official approval based on compliance with requirements or standards: “The proper officers, comparing every article with its voucher, certified them to be right” (Benjamin Franklin). The board of education will accredit only institutions that have a sufficiently rigorous curriculum. To ratify is to invest officially with legal authority: “Amendments... shall be valid... when ratified by the Legislatures of three fourths of the several States” (U.S. Constitution, Article V).