pick up
grab by the lapels
take the reins
titrate
take the wheel
self-control
guide
regulize
hijack
have it on lock
govern
manhandle
have someone by the short and curlies
take control
have someone by the balls
have someone in the palm of one's hand
carry on
dompt
take the helm
conduct
puppeteer
deal
forbear
hand over
take hold of
bigfoot
catch
grab
underbring
take charge
capture
manage
get one's arms around
take hold
encephalize
lord it over
wrap around one's little finger
take over
move in on
get hold of
ride the tiger
take possession
take command
manipulate
maister
obtrude
have the cards in one's hands
computerize
computerise
cybernate