cert

noun2

1. •
   (informal) Certificate.

   • I bought some gift certs for my family for Christmas.
2. •
   (informal) A certainty; something guaranteed to happen.

adjective1

1. •
   Abbreviation of certified.

noun2

1. •
   Abbreviation of certainty.
2. •
   Abbreviation of certiorari.

noun1

1. •
   Acronym of computer emergency response team.