Commissive

Commissives are those kinds of speech acts that speaker use to commit themselves to some future action. They express speaker’s intention. They are promises, threats, refusals, and pledges, and they can be performed by the speaker alone or by the speaker as a member of a group. “In using a commissives, the speaker undertakes to make the world fit the words

Sources:

⠀ Yule, George.1996. Pragmatics. New York: Oxford University Press.