Meaning of “popularize” - Learner’s Dictionary

popularize

verb [ T ] also UK -ise us uk /ˈpɒpjələraɪz/

to make something become known or liked by many people:

It was the World Cup which popularized professional soccer in the United States.
popularization noun [ U ] also UK -isation us uk /ˌpɒpjələraɪˈzeɪʃən/

(Definition of “popularize” from the Cambridge Learner’s Dictionary © Cambridge University Press)