1. The act of rendering thanks or expressing gratitude for favours or mercies; a public celebration of Divine goodness.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• thanksgivving,
• thansgiving,
• thangsgiving,
• thacksgiving,
• thanksgaving,
• thanksgiing,
• tanksgiving,
• thanksgviing,
• thankgivings,
• thaksgiving,
• thanksging,
• thanksgiivng,
• thanskgiving,
• thaanksgiving,
• thankgsgiving,
• thanksgivng,
• tahnksgiving,
• thanksgiven,
• thatnksgiving,
• thinksgiving

The adjective form of the word "thanksgiving" is "thankful".

The plural of the "thanksgiving" can be the "thanksgivings".

The singular of the "thanksgiving" can be the "thanksgiving".