approve

vt. 赞同, 核准, 为...提供证据
vi. 赞许
【法】 批准, 核准, 许可

副词:approvingly 动词过去式:approved 过去分词:approved 现在分词:approving 第三人称单数:approves 形容词:approvable 

ap.prove

v.（动词）
ap.proved,ap.prov.ing,ap.proves
v.tr.（及物动词）
To consider right or good; think or speak favorably of.
赞成：认为是正确的或好的；表扬地想起或说起
To consent to officially or formally; confirm or sanction.
批准，认可：官方地或正式地同意；证实或批准
Obsolete To prove or attest.
【废语】 证实，证明
v.intr.（不及物动词）
To show, feel, or express approval:
同意：表明、感觉或表达同意：
例句：
didn`t approve of the decision.
不赞成这个决定


来源：
Middle English approven
中古英语 approven
from Old French aprover
源自 古法语 aprover
from Latin approb3re
源自 拉丁语 approb3re
ad- [ad-]
ad- [前缀，表.朝，向.]
prob3re [to test] from probus [good] * see per
prob3re [测试] 源自 probus [好的] *参见 per

【引伸】
approv.able
adj.（形容词）
approv.ingly
adv.（副词）
<参考词汇><同义词>approve,endorse,sanction,certify,accredit,ratifyThese verbs mean to express a favorable opinion or to signify satisfaction or acceptance.Thoughapprove, the most widely applicable, often means simply to consider right or good (
这些动词意指表达一种赞扬的意见或表明满意或接受。虽然approve 应用最为广泛，常意味着简单地认为正确或好的（
例句：
knew my parents wouldn`t approve of what I had done), it can also denote official consent:
知道我父母不会赞成我所做的）， 它也可指明官方的同意：

例句：
.The colonel or commanding officer approves the sentence of a regimental court-martial. (Charles James).
.上校或指挥军官同意团队军事法庭. （查理斯·詹姆斯）。

Endorse implies the expression of support, often by public statement:
Endorse 意指支持的表示，常用于公开声明：
例句：
The senator will give a speech endorsing her party`s gubernatorial candidate.
参议员将做出支持她所在党派州长候选人的演讲。

Sanction usually implies not only approval (
Sanction 通常不仅指赞同（
例句：
Public opinion ought not to sanction the use of force) but also official authorization (
公众意见不应赞同使用武力） 也指官方的认可（

例句：
The privilege of voting is a right sanctioned by law).
选举权是法律所认可的权力)。

Certify and accredit imply official approval based on compliance with requirements or standards:
Certify
.The proper officers, comparing every article with its voucher, certified them to be right. (Benjamin Franklin).
accredit 意指基于与需要或标准相符的官方赞同：
例句：
.合格的官员，将每一物品与凭单比较，以确认它们是正确的. （本杰明·富兰克林）。

例句：
The board of higher education will accredit only those institutions offering a sufficiently rigorous curriculum. To
高等教育理事会将只承认那些提供足够严格的课程的学院。

ratify is to invest with legal authority by giving official sanction:
ratify 是指通过给予官方认可使之具有合法权威
例句：
.Amendments . . . shall be valid . . . when ratified by the Legislatures of three fourths of the several States. (U.S. Constitution, Article V).
.修正案…当为四分之三的州立法机构赞同时…将生效. （美国宪法，第五条）