cert

Usage

• ascertain

  When you ascertain the truth of something, you determine or find it out for sure.

• certain

  If you are certain about something, you are sure or have no doubt about it.

• certainty

  the state of being certain

• certifiable

  fit to be certified as insane (and treated accordingly)

• certificate

  present someone with a certificate

• certification

  the act of certifying or bestowing a franchise on

• certify

  provide evidence for

• uncertain

  lacking or indicating lack of confidence or assurance