To Prevail

1. (intransitive) 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.
2. (intransitive) To be current, widespread or predominant; to have currency or prevalence.
3. (intransitive) To succeed in persuading or inducing.
4. (transitive, obsolete) To avail.