Thănk'ful, a.
a. [A-S. thanefull.] 1. Demanding or deserving thanks; thankworthy; meritorious; acceptable. [Rare.] *Ladies, look here; this is the thankful glass That mends the looker's eyes; this is the well That washes what it shows. Herbert.*
Sense 2. Impressed with a sense of kindness received, and ready to acknowledge it; grateful. Be thankful unto him, and bless his name. Ps. c. 4.