In the scriptures, to deceive is to cause someone to believe something that is not true.

He who has not sworn deceitfully shall ascend into the hill of the Lord, Ps. 24: 4. Deliver me from the deceitful, Ps. 43: 1. Woe unto them that call evil good, and good evil, Isa. 5: 20 (2 Ne. 15: 20). Let no man deceive himself, 1 Cor. 3: 18. Let no man deceive you with vain words, Eph. 5: 6. Evil men shall deceive and be deceived, 2 Tim. 3: 13. Satan, who deceived the whole world, was cast out, Rev. 12: 9. Satan was bound that he should deceive the nations no more, Rev. 20: 1-3. The Lord cannot be deceived, 2 Ne. 9: 41. If ye follow the Son, acting no deception before God, ye shall receive the Holy Ghost, 2 Ne. 31: 13. Sherem confessed that he was deceived by the power of the devil, Jacob 7: 18. The people of King Noah were deceived by flattering words, Mosiah 11: 7. The wise have taken the Holy Spirit for their guide, and have not been deceived, D&C 45: 57. Wo unto them that are deceivers, D&C 50: 6. He became Satan, the father of all lies, to deceive and to blind men, Moses 4: 4.