Noah Webster's Dictionary 1. (v. t.) To make sure or certain; to render confident by a promise, declaration, or other evidence. 2. (v. t.) To declare to, solemnly; to assert to (any one) with the design of inspiring belief or confidence. 3. (v. t.) To confirm; to make certain or secure. 4. (v. t.) To affiance; to betroth. 5. (v. t.) To insure; to covenant to indemnify for loss, or to pay a specified sum at death. See Insure.

Multi-Version Concordance Assure (5 Occurrences) Matthew 5:20 For I assure you that unless your righteousness greatly surpasses that of the Scribes and the Pharisees, you will certainly not find entrance into the Kingdom of the Heavens. (WEY) 2 Corinthians 2:8 Wherefore I exhort you to assure him of your love. (DBY) Galatians 1:20 In making these assertions I am speaking the truth, as in the sight of God. (See NAS NIV) 1 John 3:19 And hereby we know that we are of the truth, and shall assure our hearts before him. (KJV ASV WBS YLT NAS RSV) Ezekiel 7:13 For the seller shall not return to that which is sold, even though he were yet alive amongst the living: for the vision is touching the whole multitude thereof; it shall not be revoked; and none shall through his iniquity assure his life. (DBY)