certify

As verbs the difference between certify and legalise

is that certify is to attest to as the truth or meeting a standard while legalise is .

As verbs the difference between certify and legalize

is that certify is to attest to as the truth or meeting a standard while legalize is (american spelling).

As a verb certify

is to attest to as the truth or meeting a standard.

As a noun null is

zero, nil; the cardinal number before einn.

Sign is a related term of certify.

As verbs the difference between sign and certify

is that sign is to make a mark while certify is to attest to as the truth or meeting a standard.

As a noun sign

is (sometimes|also used uncountably) a visible indication.

As verbs the difference between certify and agree

is that certify is to attest to as the truth or meeting a standard while agree is .

As verbs the difference between assume and certify

is that assume is while certify is to attest to as the truth or meeting a standard.

As verbs the difference between certify and credential

is that certify is to attest to as the truth or meeting a standard while credential is to furnish with.

As an adjective credential is

of, pertaining to or entitling to credit or authority.

As a noun credential is

documentary evidence that a person has certain status or privileges.

As a verb certify

is to attest to as the truth or meeting a standard.

As an adjective bonafide is

made sincerely, in good faith.

As an adjective valid

is valid.

As a verb certify is

to attest to as the truth or meeting a standard.

As verbs the difference between certify and ensure

is that certify is to attest to as the truth or meeting a standard while ensure is to make a pledge to (someone); to promise, guarantee (someone of something); to assure.