confirm

詳細解釋：

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：支持或確認…的肯定性或有效性；確認
To make firmer; strengthen:
使更堅強；加強：
例句：
The recent airplane crash confirms my belief that stronger safety regulations are needed.
最近的墜機事件使我更堅信我們需要更健全的安全法規

To make valid or binding by a formal or legal act; ratify.
批准，認可：通過正式或法律的行為使有效或有約束力；認可
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
中古英文 confirmen
from Old French confermer
源自 古法文 confermer
from Latin cônfirm3re
源自 拉丁語 cônfirm3re
com- [intensive pref.] * see com-
com- [前綴，表加強詞義] *參見 com-
firm3re [to strengthen] from firmus [strong] * see dher-
firm3re [加強] 源自 firmus [強壯的] *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）
<參考辭彙><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事實、精確性或事件的真實性。
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).
.我們不要用實驗來驗證我們的想法，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 指用另一個證據來加強或支持某事，例如通過引用別人的話來做證據：
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。 至於substantiate 是用實質性的可觸摸到的事實來確定某事：

例句：
.one of the most fully substantiated of historical facts. (James Harvey Robinson).
.最真實可信的歷史事實之一. （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 暗示用權威的行為或專家的證詞來消除對某事真實性的懷疑：
例句：
The museum made the mistake of accepting the painting before it had been authenticated.
博物館在還未確認這幅畫的真實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)， 但也可以指證實某事的真實性，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比較而得到證實：
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才兌現了這張支票