verb

1. To be superior in strength, dominance, influence or frequency; to have or gain the advantage over others; to have the upper hand; to outnumber others.

   “Red colour prevails in the Canadian flag.”

2. To be current, widespread or predominant; to have currency or prevalence.

   “In his day and age, such practices prevailed all over Europe.”

3. To succeed in persuading or inducing.

   “I prevailed on him to wait.”