assure Meaning, Definition & Usage

verb make certain of
insure; ensure; secure; guarantee.
- This nest egg will ensure a nice retirement for us
- Preparation will guarantee success!
verb inform positively and with certainty and confidence
tell.
- I tell you that man is a crook!
verb assure somebody of the truth of something with the intention of giving the listener confidence
- I assured him that traveling to Cambodia was safe
verb be careful or certain to do something; make certain of something
insure; control; see to it; see; ensure; ascertain; check.
- He verified that the valves were closed
- See that the curtains are closed
- control the quality of the product
verb cause to feel sure; give reassurance to
reassure.
- The airline tried to reassure the customers that the planes were safe
verb make a promise or commitment
promise.

OF. aseürer, F. assurer, LL. assecurare; L. ad + securus secure, sure, certain. See Secure, Sure, and cf. Insure.

imperfect & past participle Assured present participle & verbal noun Assuring

To make sure or certain; to render confident by a promise, declaration, or other evidence.
His promise that thy seed shall bruise our foe . . . Assures me that the bitterness of death Is past, and we shall live. Milton.
To declare to, solemnly; to assert to (any one) with the design of inspiring belief or confidence.
I dare assure thee that no enemy Shall ever take alive the noble Brutus. Shak.
To confirm; to make certain or secure.
And it shall be assured to him. Lev. xxvii. 19.

And hereby we know that we are of the truth, and shall assure our hearts before him. 1 John iii. 19.
To affiance; to betroth. Obs. Shak.
(Law) To insure; to covenant to indemnify for loss, or to pay a specified sum at death. See Insure. Syn. -- To declare; aver; avouch; vouch; assert; asseverate; protest; persuade; convince.