powerful
Everything was decided by an all-powerful editor on the fifth floor.
There had been a shift toward an all-powerful executive presidency.
He played a key role in keeping the once all-powerful party together as it threatened to fragment.
By "God", I mean a being who is all-good, all-powerful, and all-knowing.

SMART Vocabulary: related words and phrases

Power to control
absolute authority
ahold
all's well that ends wellidiom
ascendancy
authoritarianism
be above someone's pay gradeidiom
discretionary
girl power
grip
he who pays the piper calls the tune.idiom
hegemonic
implant
power grab
power structure
power struggle
power vacuum
power-sharing
the hand that rocks the cradle rules the worldidiom
the upper hand
yoke

You can also find related words, phrases, and synonyms in the topics:

Powerful people & dictators