Meaning of “prevail” - Learner’s Dictionary

prevail

verb [ I ] us uk /prɪˈveɪl/ formal
CONTROL

to get control or influence:

We can only hope that common sense will prevail.
BE COMMON

to be common among a group of people:

The use of guns prevails among the gangs in this area.

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