circularize

(verb) canvass by distributing letters. Synonyms: circularise.

(verb) canvass by using a questionnaire.

(verb) distribute circulars to. Synonyms: circularise.

(verb) cause to become widely known. Synonyms: circulate, circularise, distribute, disseminate, propagate, broadcast, spread, diffuse, disperse, pass around. Examples: "Spread information." "Circulate a rumor." "Broadcast the news."

(verb) make circular.