spreading, diffusing, propagating, distributing, circulating, broadcasting, promulgating, publicizing, transmitting
distribute - spread - disseminate - pass around - hand round - make the rounds - go round - flow - move about - propagate
To circulate means to move or be passed from place to place or person to person in a continuous or repeated way. It can describe physical movement, such as blood moving through the body or air moving in a room, as well as the spread of information, documents, or rumors among people. In a social or professional context, it can also refer to moving around within a group to talk to different people. The term often implies a loop or system in which something moves and returns, or is widely shared within a defined area or community.