We have put together a list of words that are similar to THANKSGIVING.

6 Alternative Words Similar to thanksgiving

1 Grace Noun      Synonym Words Like Grace
2 Blessing Noun      Synonym Words Like Blessing
3 Thanksgiving Noun      Synonym Words Like Thanksgiving
4 Orison Noun      Synonym Words Like Orison
5 Petition Noun      Synonym Words Like Petition
6 Prayer Noun      Synonym Words Like Prayer

10 definitions of thanksgiving

1 The act of rending thanks, or expressing gratitude for favors or mercies.
2 A public acknowledgment or celebration of divine goodness; also, a day set apart for religious services, specially to acknowledge the goodness of God, either in any remarkable deliverance from calamities or danger, or in the ordinary dispensation of his bounties.
3 fourth Thursday in November in the United States; second Monday in October in Canada; commemorates a feast held in 1621 by the Pilgrims and the Wampanoag
4 a short prayer of thanks before a meal
5 An act of giving thanks; an expression of gratitude, especially to God: a hymn of thanksgiving.
6 Thanksgiving Day.
7 The act of rendering thanks or of expressing gratitude for favors, benefits, or mercies; an acknowledgment of benefits received: used in the Old Testament for acknowledgment by the act of offering.
8 A public celebration of divine goodness; specifically [capitalized], in the United States, Thanksgiving day (see the phrase below).
9 A form of words expressive of thanks to God; a grace.
10 an expression of gratitude.
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide