Meaning of “popularize” - Learner’s Dictionary

popularize

verb [ T ] ( also UK -ise) uk us /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 ( also UK -isation) uk us /ˌpɒpjələraɪˈzeɪʃən/ noun [ U ]

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