What is the meaning of Cert?

Alternative form of cert.

Certificate.

A certainty; something guaranteed to happen.

true

certain

certificate (Classifier: c)

Synonym of certify.

certain

some

certain; sure

correct, right, proper, fitting

fair, just

straight, even

exact, precise

the right, what is proper, correctness

right, claim, entitlement

justice, fair dealing

certain, sure

certain, sure, doubtless

first-person singular present indicative/subjunctive of certa

Alternative form of cart

Source: wiktionary.org