influencive
powerful
potent
head honcho
big cheese
big enchilada
big wheel
big shot
big fish
big deal
big gun
puissant
influentiality
influentialness
influentially
big noise
heavy metal
heft
germinal
impingement
encroachment
impact
panjandrum
someone
king
swayful
important person
big hitter
uninfluential
overinfluential
large
carry weight
prominency
seminal
measurable
affluential
prime mover
worth talking about
weight
dominating
have the world by the tail
ascendant
ascendent
work
pitch
powerfully
potently
of import
prominence
important