sway

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To swing back and forth or to and fro. synonym: swing.
• intransitive verb To incline or bend to one side; veer.
• intransitive verb To incline toward change, as in opinion or feeling.
• intransitive verb To fluctuate, as in outlook.
• intransitive verb To cause to swing back and forth or to and fro.
• intransitive verb To cause to incline or bend.
• intransitive verb To exert influence or control over.
• intransitive verb Nautical To hoist (a mast or yard) into position.
• intransitive verb To rule or govern.
• intransitive verb To wield, as a weapon or scepter.
• noun The act of moving from side to side with a swinging motion.
• noun Influence or control.

from The Century Dictionary.

• noun Inclination; preponderance; movement toward one side or the other, or toward both alternately; swing.
• noun Weight; force, as of some heavy or powerful agent.
• noun Rule; control; government: probably in allusion to the sway of the scepter, or of the sword, embodying and illustrating government.
• noun An instrument of rule or management.
• noun A switch used by thatchers to bind their Work.
• To bend to one side, as by excess of weight; hang in a heavy, unsteady manner; lean away from the perpendicular; swag: as, a wall that sways to the west; also, to bend or lean first to one side and then to the other; swing backward and forward.
• To move or incline to one side, or to one side and then to the other, literally or figuratively; incline to one side, party, etc., or to one and then to the other; vacillate, as judgment or opinion.
• To have weight or influence; bear rule; govern.
• To advance steadily.
• To cause to move backward and forward; wave or swing; hence, to wield with the hand.
• To cause to bend or move aside; bias, literally or figuratively; cause to lean or incline to one side; prejudice.
• To rule; govern; influence or direct by power and authority, or by moral force; manage.
• Nautical, to hoist; raise: particularly said of yards and topmasts.
• Guide, Direct (see guide), control.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb To be drawn to one side by weight or influence; to lean; to incline.
• intransitive verb To move or swing from side to side; or backward and forward.
• intransitive verb To have weight or influence.
• intransitive verb To bear sway; to rule; to govern.
• transitive verb To move or wield with the hand; to swing; to wield.
• transitive verb To influence or direct by power and authority; by persuasion, or by moral force; to rule; to govern; to guide.
• transitive verb To cause to incline or swing to one side, or backward and forward; to bias; to turn; to bend; warp.
• transitive verb (Naut.) To hoist.
• noun The act of swaying; a swaying motion; the swing or sweep of a weapon.
• noun Influence, weight, or authority that inclines to one side.
• noun Preponderance; turn or cast of balance.
• noun Rule; dominion; control.
• noun Prov. Eng. A switch or rod used by thatchers to bind their work.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The act of swaying; a swaying motion; a swing or sweep of a weapon.
• noun A rocking or swinging motion.
• noun Influence, weight, or authority that inclines to one side; as, the sway of desires.
• noun Preponderance; turn or cast of balance.
• noun Rule; dominion; control.
• noun A switch or rod used by thatchers to bind their work.
• noun The maximum amplitude of a vehicle's lateral motion
• verb To move or swing from side to side; or backward and forward; to rock.
• verb To move or wield with the hand; to swing; to wield; as, to sway the scepter.