'Thankful' in the Bible

Is he thankful to the bondman because he has done what was ordered? I judge not.

Because, knowing God, they glorified him not as God, neither were thankful; but fell into folly in their thoughts, and their heart without understanding was darkened:

(who for my life staked their own neck; to whom not I only am thankful, but also all the assemblies of the nations,)

And let the peace of Christ preside in your hearts, to which also ye have been called in one body, and be thankful.

I am thankful to God, whom I serve from my forefathers with pure conscience, how unceasingly I have the remembrance of thee in my supplications night and day,