verb (used with object), grat·u·lat·ed, grat·u·lat·ing. to hail with joy; express joy at. to congratulate.

Is Gratulation a word?

(now rare) A feeling of happiness and satisfaction; joy, especially at one's good fortune. (archaic) The expression of pleasure at someone's else's success or luck; congratulation.

What is self Gratulation?

noun. The action or an act of congratulating oneself for an achievement, quality, or ability, especially in a self-satisfied way; self-congratulation.