Answer:

SEESTOIT

Answer	Crossword Clue
SEESTOIT	Makes certain
SEESTOIT	Makes absolutely certain
SEESTOIT	Makes sure

SEESTOIT	Makes certain (that)
SEESTOIT	Takes care of things
SEESTOIT	Takes care of something
SEESTOIT	Gives attention to something.
SEESTOIT	Makes sure.
SEESTOIT	Makes sure something is done.
SEESTOIT	Takes care of.
SEESTOIT	Takes charge

SEESTOIT	Gets the job done
SEESTOIT	Makes sure something's done