certify
过去式：certified
过去分词：certified
现在进行时：certifying
词形变化：
名词: certifier | 动词过去式: certified | 动词过去分词: certified | 动词现在分词: certifying | 动词第三人称单数: certifies |
同义词：
confirm | attest | endorse | verify | testify | state | declare | vouch | affirm | guarantee | evidence | license | depose | authenticate | document | prove | validate | corroborate | warrant | substantiate | certify | support | back | insure | ratify | attest to | testify to | to | approve | demonstrate | licence | indorse | manifest | establish |
反义词：
词义辨析：
同义:
vt.证明; 保证
confirm
guarantee
vouch
affirm
testify
v.证明, 证实, 确认
document
depose
attest to
testify to
evidence
confirm
verify
validate
authenticate
certify
corroborate
substantiate
support
warrant
同义参见:
license
insure
testify
affirm
endorse
ratify
prove
back
attest
guarantee