certify

As verbs the difference between affirm and certify

is that affirm is to agree, verify or concur; to answer positively while certify is to attest to as the truth or meeting a standard.

As verbs the difference between endorse and certify

is that endorse is to support, to back, to give one's approval to, especially officially or by signature while certify is to attest to as the truth or meeting a standard.

As a noun endorse

is a diminutive of the pale, usually appearing in pairs on either side of a pale.

As verbs the difference between authorise and certify

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

As a noun issue

is a monacan indian; a member of a mestee group originating in amherst county, virginia.

As a verb certify is

to attest to as the truth or meeting a standard.

As verbs the difference between ascertain and certify

is that ascertain is to find out definitely; to discover or establish while certify is to attest to as the truth or meeting a standard.

In transitive terms the difference between certify and ratify

is that certify is to attest to as the truth or meeting a standard while ratify is to give formal consent to; make officially valid.

As verbs the difference between certify and warranty

is that certify is to attest to as the truth or meeting a standard while warranty is to warrant; to guarantee.

As a noun warranty is

security; warrant; guarantee.

In transitive terms the difference between assure and certify

is that assure is to make sure and secure while certify is to attest to as the truth or meeting a standard.

As verbs the difference between examine and certify

is that examine is to observe or inspect carefully or critically while certify is to attest to as the truth or meeting a standard.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb certify is

to attest to as the truth or meeting a standard.