Definition of "Circulate" :

verb: cause to become widely known

"Circulate a rumor."

verb: become widely known and passed on

verb: move around freely from person to person or from place to place

"She circulates among royalty."

verb: move through a space, circuit or system, returning to the starting point

"Blood circulates in my veins."

verb: cause to move in a circuit or system

"The fan circulates the air in the room."

verb: cause to be distributed

"This letter is being circulated among the faculty."