(1):
(v. i.) To make a change or changes; to change position; to move; to veer; to substitute one thing for another; - used in the various senses of the transitive verb.
(2):
(v. i.) To divide; to distribute.
(3):
(v. i.) To resort to expedients for accomplishing a purpose; to contrive; to manage.
(4):
(v. i.) To slip to one side of a ship, so as to destroy the equilibrum; - said of ballast or cargo; as, the cargo shifted.
(5):
(v. i.) To practice indirect or evasive methods.