Manage n. : The handling or government of anything, but esp. of a horse; management; administration. See Manege.

Manage n. : To have under control and direction; to conduct; to guide; to administer; to treat; to handle.

Manage n. : Hence: Esp., to guide by careful or delicate treatment; to wield with address; to make subservient by artful conduct; to bring around cunningly to one's plans.

Manage n. : To train in the manege, as a horse; to exercise in graceful or artful action.

Manage n. : To treat with care; to husband.

Manage n. : To bring about; to contrive.

Manage v. i. : To direct affairs; to carry on business or affairs; to administer.

Example:
How did people Manage to see before eyeglasses were invented?

Taxonomy
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Defination from the web:
manage from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 4 : to direct the professional career of <an agency that manages entertainers>intransitive verb 1 a : to direct or carry on business or affairs; ...