The rewarder of thankfulnes. He who highly appreci- ates good deeds and is bountiful in rewarding them. He who is grateful and gives rewards for deeds done for Him.
“Those who rehearse the Book of Allah, establish regular Prayer, and spend (in Charity) out of what We have provided for them, secretly and openly, hope for a Commerce that will never fail: For He will pay them their meed, nay, He will give them (even) more out of
His Bounty; for He is Oft-Forgiving, MOST READY TO APPRECIATE (service).”
(35:29-30) The Holy Quran
From the root sh-k-r with the classical Arabic connotations: to praise or commend for a benefit or benefits to acknowledge beneficence to offer thanks, acknowledgement to be thankful, grateful to produce, supply, give forth bountifully.