EDIFICATION (Grk. oikodome, "building"). Means building up. The work of confirming believers in the faith of the gospel and adding to their knowledge and grace. Christians are said in the NT to be edified by understanding spiritual truth (1 Cor 14:3-5), by the work of apostles, prophets, evangelists, pastors, and teachers (Eph 4:11-12, "building up"), and by good speech (4:29).

The means to be used for one's upbuilding are the study and hearing of God's Word, prayer, use of the sacraments, meditation, self-examination, and Christian work of every kind. It is our duty to edify or "build up one another" (1 Thess 5:11) by the exhibition of every grace of life and conversation.
-from The New Unger's Bible Dictionary. Originally published by Moody Press of Chicago, Illinois. Copyright © 1988.

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