as·sure /əˈʃʊr/
  (vt.)使確信,使放心;向…保證;對…進行保險
  As·sure v. t. [imp. & p. p. Assured p. pr. & vb. n. Assuring.]
  1. 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.
  2. 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.
  3. 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.
  4. To affiance; to betroth. [Obs.]
  5. 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.
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  assure
       v 1: make certain of; "This nest egg will ensure a nice
            retirement for us"; "Preparation will guarantee
            success!" [syn: guarantee, ensure, insure, secure]
       2: inform positively and with certainty and confidence; "I tell
          you that man is a crook!" [syn: tell]
       3: assure somebody of the truth of something with the intention
          of giving the listener confidence; "I assured him that
          traveling to Cambodia was safe"
       4: be careful or certain to do something; make certain of
          something; "He verified that the valves were closed"; "See
          that the curtains are closed"; "control the quality of the
          product" [syn: see, check, insure, see to it, ensure,
           control, ascertain]
       5: cause to feel sure; give reassurance to; "The airline tried
          to reassure the customers that the planes were safe" [syn:
           reassure] [ant: worry]
       6: make a promise or commitment [syn: promise]