1. To declare or affirm as true:; SYN. assert, avow, aver, swan, swear.
2. To say yes to.
3. Establish or strengthen as with new evidence or facts

1. To assure somebody of the truth of something.
2. To state positively and with certainty and confidence; SYN. tell.

1. To make sure. See Insure.
2. To betroth.

1. To guarantee or warrant.
2. To make sure of
3. To take out insurance for

1. To cause to feel sure; give reassurance to; SYN. assure.
2. To give or restore confidence in; cause to feel sure or certain: