Definition of Grace 

1. The unmerited favor, mercy, compassion, acceptance, kindness, graciousness, goodwill, and divine assistance of God.
2. The divine life, power, and ability of God flowing and operating through us in order to give us the supernatural power and ability for ministry and sanctification

Here is how grace is specifically defined by some of the different Bible Dictionaries:

• Unmerited favor, mercy, compassion
• Undeserved blessing, a free gift
• Gods loving mercy toward mankind
• Favor, graciousness, kindness, beauty, pleasantness
• God’s disposition to exercise goodwill toward His creatures
• Synonymous with the gospel of God’s gift of unmerited salvation in Jesus Christ
• Favor or kindness shown without regard to the worth or merit of the one who receives it and in spite of what that same person deserves
• Undeserved acceptance and love received from another, especially the characteristic attitude of God in providing salvation to sinners
• The gift of God as expressed in His actions of extending mercy, loving-kindness and salvation to people
• Unmerited divine assistance given man for his regeneration or sanctification
• The power and equipment for ministry