A member of any political party with "Popular" in the title, such as the Partido Popular in Spain or Popolari di Italia Domani in Italy

Common among the general public; generally accepted. / (law) Concerning the people; public. / Pertaining to or deriving from the people or general public.

A person who is popular, especially at a school. / (chiefly in the plural) An inexpensive newspaper with wide circulation. / A member of the Populares

The quality or state of being popular; especially, the state of being esteemed by, or of being in favor with, the people at large

To make popular.

simple past tense and past participle of popularize

The act of making something popular to the general public.

plural of popularization

present participle of popularize

Third-person singular simple present indicative form of popularize