from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The state of being thankful.
from The Century Dictionary and Cyclopedia
- n. The state or character of being thankful; acknowledgment of a favor received; gratitude.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. warm friendly feelings of gratitude
thankful + -ness (Wiktionary)