… from the Compact OED (emphasis mine):

“
• noun 1 elegance of movement. 2 courteous good will: she had the grace to look sheepish. 3 (graces) attractive qualities or behaviour: a horrible character with no saving graces. 4 (in Christian belief) the free and unearned favour of God. 5 a person’s favour. 6 a period officially allowed for fulfilment of an obligation. 7 a short prayer of thanks said before or after a meal. 8 (His, Her, or Your Grace) used as forms of description or address for a duke, duchess, or archbishop.

• verb 1 lend honour to by one’s presence. 2 be an attractive presence in or on.

— ORIGIN Latin gratia, from gratus ‘pleasing, thankful’.
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… from Paul of Tarsus’ letter to a church in Ephesus (emphasis, again, mine):

“ 3 Blessed be the God and Father of our Lord Jesus Christ, who hath blessed us with all spiritual blessings in heavenly places in Christ: 4 According as he hath chosen us in him before the foundation of the world, that we should be holy and without blame before him in love: 5 Having predestinated us unto the adoption of children by Jesus Christ to himself, according to the good pleasure of his will, 6 To the praise of the glory of his grace, wherein he hath made us accepted in the beloved. 7 In whom we have redemption through his blood, the forgiveness of sins, according to the riches of his grace;

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