1) Broadcast 2) Circularise 3) Circularize 4) Circulate 5) Diffuse 6) Disperse 7) Disseminate 8) Distribute 9) Generalise 10) Generalize 11) Pass around 12) Popularise 13) Promote in a way 14) Propagate 15) Spread 16) To make popular 17) Vulgarise 18) Vulgarize Found on https://www.crosswordclues.com/clue/popularize
Pop'u·lar·ize transitive verb [ imperfect & past participle Popularized ; present participle & verbal noun Popularizing .] [ Confer French populariser .] To make popular; to make suitable or acceptable to the common people; to mak... Found on http://www.encyclo.co.uk/webster/P/128
popularize, popularization 1. To make popular. 2. To present in a widely understandable or acceptable form. 3. To make understandable to the general public. 4. To cater to popular taste in order to make something popular and to present to the general public; to bring into general or common use. Found on http://www.wordinfo.info/words/index/info/view_unit/1728/2