(1):
(n.) A calling by the will of God.
(2):
(n.) A call; a summons; a citation; especially, a designation or appointment to a particular state, business, or profession.
(3):
(n.) Destined or appropriate employment; calling; occupation; trade; business; profession.
(4):
(n.) The bestowment of God's distinguishing grace upon a person or nation, by which that person or nation is put in the way of salvation; as, the vocation of the Jews under the old dispensation, and of the Gentiles under the gospel.
(5):
(n.) A call to special religious work, as to the ministry.