approve, confirm, sanction

confirm, verify

動詞 confirm:

1. establish or strengthen as with new evidence or facts
   同義詞：corroborate, sustain, substantiate, support, affirm
2. strengthen or make more firm
   同義詞：reassert
3. make more firm
4. support a person for a position
5. administer the rite of confirmation to

1. She was baptized when she was a month old and confirmed when she was thirteen.
   她出生一個月時受洗禮，十三歲時行堅信禮。
2. He looked around to confirm that he was alone.
   他四處張望，要確定周圍沒人。
3. The news confirmed my resolution.
   這消息加強(qiáng)了我的決心。

con.firm

v.tr.（及物動詞）
con.firmed,con.firm.ing,con.firms
To support or establish the certainty or validity of; verify.
證實(shí)：支持或確認(rèn)…的肯定性或有效性；確認(rèn)
To make firmer; strengthen:
使更堅強(qiáng)；加強(qiáng)：
例句：
The recent airplane crash confirms my belief that stronger safety regulations are needed.
最近的墜機(jī)事件使我更堅信我們需要更健全的安全法規(guī)

To make valid or binding by a formal or legal act; ratify.
批準(zhǔn)，認(rèn)可：通過正式或法律的行為使有效或有約束力；認(rèn)可
To administer the religious rite of confirmation to.
給…施堅信禮：主持對…堅信的宗教儀式

來源：
Middle English confirmen
中古英語 confirmen
from Old French confermer
源自 古法語 confermer
from Latin cônfirm3re
源自 拉丁語 cônfirm3re
com- [intensive pref.] * see com-
com- [前綴，表加強(qiáng)詞義] *參見 com-
firm3re [to strengthen] from firmus [strong] * see dher-
firm3re [加強(qiáng)] 源自 firmus [強(qiáng)壯的] *參見 dher-

【引伸】
confirm.abil.ity
n.（名詞）
confirm.able
adj.（形容詞）
confirm.ato.ry
confirm.er
n.（名詞）
<參考詞匯><同義詞>confirm,corroborate,substantiate,authenticate,validate,verifyThese verbs all mean to affirm the truth, accuracy, or genuineness of something.
這些動詞都表示確認(rèn)事實(shí)、精確性或事件的真實(shí)性。
Confirm generally implies removal of all doubt about something considered uncertain or tentative:
Confirm 一般暗指消除所有不確定的試探性的疑惑：
例句：
.We must never make experiments to confirm our ideas, but simply to control them. (Claude Bernard).
.我們不要用實(shí)驗(yàn)來驗(yàn)證我們的想法，只需操縱它們就行了. （克勞德·伯納德）。

Corroborate refers to strengthening or supporting something, such as a statement, by means of the evidence of another:
Corroborate 指用另一個證據(jù)來加強(qiáng)或支持某事，例如通過引用別人的話來做證據(jù)：
例句：
The witness is expected to corroborate the plaintiff`s testimony. Tosubstantiate is to establish something by presenting substantial or tangible evidence:
希望證人能夠確證原告的口供。 至于substantiate 是用實(shí)質(zhì)性的可觸摸到的事實(shí)來確定某事：

例句：
.one of the most fully substantiated of historical facts. (James Harvey Robinson).
.最真實(shí)可信的歷史事實(shí)之一. （詹姆斯·哈維·魯濱遜）。

Authenticate implies the removal of doubt about the genuineness of something by the act of an authority or the testimony of an expert:
Authenticate 暗示用權(quán)威的行為或?qū)＜业淖C詞來消除對某事真實(shí)性的懷疑：
例句：
The museum made the mistake of accepting the painting before it had been authenticated.
博物館在還未確認(rèn)這幅畫的真實(shí)性之前就錯誤地把它接受了。

Validate usually implies formal action taken to give legal force to something (
Validate 一般指正式的賦予某物法律效力的行為(
例句：
validate a deed of sale) but can also refer to establishing the validity of something, such as a theory, claim, or judgment (
使銷售行為合法化)， 但也可以指證實(shí)某事的真實(shí)性，如理論、聲明或判斷(

例句：
The divorce validated my parents` original objection to the marriage).
我的離婚證明我父母當(dāng)初反對這樁婚姻是正確的)。

Verify implies proving by comparison with an original or with established fact:
Verify 表示通過和原件或一已確定的事實(shí)比較而得到證實(shí)：
例句：
The bank refused to cash the check until the signature was verified.
銀行直到簽字得到了確認(rèn)才兌現(xiàn)了這張支票