Webster's Revised Unabridged Dictionary · 1913

Grateful

Grateful , adjective

[Grate, a. + full; compare French gré thanks, good will, from Latin gratum, neut. of gratus agreeable, grateful. See Grate, a.]

1.
Having a due sense of benefits received; kindly disposed toward one from whom a favor has been received; willing to acknowledge and repay, or give thanks for, benefits; as, a grateful heart.
A grateful mind By owing, owes not, but still pays. — Milton
2.
Affording pleasure; pleasing to the senses; gratifying; delicious; as, a grateful present; food grateful to the palate; grateful sleep.
Now golden fruits on loaded branches shine, And grateful clusters swell. — Pope