influential

adjectives

having or exercising influence or power
"an influential newspaper"; "influential leadership for peace"
is derived from
is derived from
is derived from
antonym
is similar to
having authority or ascendancy or influence
"an important official"; "the captain's authoritative manner"
is similar to
having great influence
is similar to
exerting influence by reason of high status or prestige
"a prestigious professor at a prestigious university"