influential

Meanings

1. 1
   adj

   having or exercising influence or power

   an influential newspaper

2. 2
   adj

   Having or exerting influence.

   A parent/child relationship during adolescence is a time when youngsters often crave independence and when their peers are often more influential than adults.

3. 3
   noun

   A person who has influence

Etymology

From Medieval Latin īnfluentiālis, from īnfluentia + -ālis. By surface analysis, influence + -ial.