Definition of "popularise"

popularise

/ˈpɒpjʊləɹaɪz/

verb
third-person singular simple present popularises, present participle popularising, simple past and past participle popularised
1. (transitive) To make something popular.
  Quotations
  Towards the end of August, the Southern Railway decided to adopt a novel form of publicity to popularise the services. Sandwich board men were employed at Charing Cross and Cannon Street to display placards, and distribute leaflet timetables, calling attention to the vacant seats on the services via Nunhead.
  1946 November and December, “Additional London-Dartford Services”, in Railway Magazine, page 386
  Special cheap day return facilities have been introduced to popularise the railbuses.
  1959 March, “Talking of Trains: Railbuses on the W.R.”, in Trains Illustrated, page 121
2. (transitive) To present something in a widely understandable or acceptable form, especially technical or scientific material for a general audience.