أكد

Verb

 * 1) to assure someone of
 * 2) to confirm, to corroborate
 * 3) to confirm, ratify
 * 4) to say, to state as true, to assert
 * 5) to affirm, to maintain
 * 6) to emphasize, to stress
 * 7) to bind firmly

Usage notes
According to Lane, the more correct verb to use in place of this one is, with similar meanings.

Etymology
From.

Verb

 * 1)  to confirm, to ensure