ensure

Meanings

1. 1
   verb

   make certain of

   This nest egg will ensure a nice retirement for us

2. 2
   verb

   To make sure or certain of something (usually some future event or condition).

   I use an alarm clock to ensure that I get up on time.

3. 3
   verb

   To make a pledge to (someone); to promise, guarantee (someone of something); to assure.

   Thenne he cryed hym mercy and sayd Faire knyght for goddes loue slee me not / and I shall ensure the neuer werre ageynst thy lady / but be alwey toward her / Thenne Bors lete hym be

4. 4
   verb

   be careful or certain to do something

Etymology

From Middle English ensuren, from Anglo-Norman enseurer, from Old French seur (“sure”). Doublet of insure.