Grace is God helping us to accomplish his will for our lives
I partially agree with this guy. Grace is more than unmerited favor although it is always unmerited.
In the old strongs greek a partial definition is ....5485
the divine influence upon the heart, and its reflection in the life.
Webster's New World Dictionary of the American Language
Grace; (10) Theol. a) the unmerited love and favor of God toward man. b) Divine influence actin in man to make him pure and morally strong. c) the condition of a person thus influenced d) Special virtue given to a person by God.
Harpers Bible Dictionary
grace; The English translation of a Greek word meaning concretely, "that wihch brings delight, joy , happiness, or good fortune." Grace in classical Greek applied to art, persons, speech, or athletics, as well as to good fortune, kindness and power bestowed by the gods upon divine men, moving them to miraculous deeds.
Webste's 1828
grace 3) Favorable influence of God; divine influence or the influence of the spirit, in renewing the heart and restraining from sin 6) Virtuous or religious affection or disposition, as a liberal disposition, faith, meekness, humility, patience (proceeding from divine influence).
Examine a few scriptures will also tell you more about grace.
2 Corinthians 12:9 And He said unto me, My grace is sufficient for thee: for my strength is made perfect in weakness. Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me.
Grace and power are synonomous here in 2Cor.
(Tit 2:11-12) For the grace of God that bringeth salvation hath appeared to all men, Teaching us that, denying ungodliness and worldly lusts, we should live soberly, righteously, and godly, in this present world;
In Titus Grace teaches.
In short Grace can be monergistic or synergistic. In regard to regeneration it is monergistic. In reguard to the supernatural gifts it is probably monergistic. In relation to the Spirit influencing us to work out our salvaion it is synergistic.