Definitions of set:

• noun:   several exercises intended to be done in series

  Example: "He did four sets of the incline bench press"

• noun:   the act of putting something in position

  Example: "He gave a final set to his hat"

• noun:   any electronic equipment that receives or transmits radio or tv signals

  Example: "The early sets ran on storage batteries"

• noun:   (psychology) a temporary readiness to respond in a particular way

  Example: "The subjects' set led them to solve problems the familiar way and to overlook the simpler solution"

• noun:   the descent of a heavenly body below the horizon

  Example: "Before the set of sun"

• noun:   a group of things of the same kind that belong together and are so used

  Example: "A set of books"

• noun:   (mathematics) an abstract collection of numbers or symbols

  Example: "The set of prime numbers is infinite"

• noun:   an unofficial association of people or groups

  Example: "The smart set goes there"

• noun:   evil beast-headed Egyptian god with high square ears and a long snout; brother and murderer of Osiris
• noun:   a unit of play in tennis or squash

  Example: "They played two sets of tennis after dinner"

• noun:   representation consisting of the scenery and other properties used to identify the location of a dramatic production

  Example: "The sets were meticulously authentic"

• noun:   a relatively permanent inclination to react in a particular way

  Example: "The set of his mind was obvious"

• noun:   the process of becoming hard or solid by cooling or drying or crystallization

  Example: "He tested the set of the glue"

• verb:   set to a certain position or cause to operate correctly

  Example: "Set clocks or instruments"

• verb:   put into a certain state; cause to be in a certain state

  Example: "Set the house afire"

• verb:   establish as the highest level or best performance

  Example: "Set a record"

• verb:   give a fine, sharp edge to a knife or razor
• verb:   insert (a nail or screw below the surface, as into a countersink)
• verb:   fix in a border

  Example: "The goldsmith set the diamond"

• verb:   put into a position that will restore a normal state

  Example: "Set a broken bone"

• verb:   apply or start

  Example: "Set fire to a building"

• verb:   locate

  Example: "The film is set in Africa"

• verb:   disappear beyond the horizon

  Example: "The sun sets early these days"

• verb:   alter or regulate so as to achieve accuracy or conform to a standard
• verb:   equip with sails, masts, etc.
• verb:   become gelatinous
• verb:   bear fruit
• verb:   fix conclusively or authoritatively

  Example: "Set the rules"

• verb:   decide upon or fix definitely
• verb:   urge a dog to attack someone
• verb:   put into a certain place or abstract location

  Example: "Set the tray down"

• verb:   put or set (seeds or seedlings) into the ground
• verb:   adapt for performance in a different way

  Example: "Set this poem to music"

• verb:   get ready for a particular purpose or event

  Example: "Set up an experiment"

• verb:   arrange attractively
• verb:   estimate
• verb:   make ready or suitable or equip in advance for a particular purpose or for some use, event, etc
• adjective:   fixed and unmoving

  Example: "With eyes set in a fixed glassy stare"

• adjective:   set down according to a plan:"a carefully laid table with places set for four people"
• adjective:   converted to solid form (as concrete)
• adjective:   situated in a particular spot or position

  Example: "A house set on a hilltop"

• adjective:   determined or decided upon as by an authority

  Example: "The time set for the launching"