The Most Grateful, The Most Appreciative, The Rewarder of Good Works
The One who is most thankful for righteousness and bestows great rewards for good deeds.
The One who gratefully gives large rewards, even for a small amount of good work.
The One who acknowledges and bountifully rewards all acts of goodness, thankfulness and praise.
The One who frequently and greatly approves,
rewards and forgives.
From the root sh-k-r which has the following classical Arabic connotations:
This name is used in the Qur'ān. For example, see 35:30
(Also written as al-shakur, al-shakoor, ash-shakur, ash-shakoor, the Most Grateful: ya shakur, ya shakoor)