Answer:

phased

Answer	Crossword Clue
PHASED	Synchronized
PHASED	Gradually eased (in)
PHASED	Stopped gradually, with "out"

PHASED	Gradually stopped using, with "out"
PHASED	Discontinued, with "out"
PHASED	Eliminated gradually, with "out"
PHASED	.. out (ended gradually)
PHASED	Introduced gradually, with "in"
PHASED	Introduced in stages.
PHASED	Introduced gradually
PHASED	Scheduled.

PHASED	... out (discontinued)
PHASED	Introduced in stages
PHASED	... out (ended)
PHASED	... out (eliminated in stages)
PHASED	... out (eliminated)
PHASED	Gradually introduced, with "in"
PHASED	Ended incrementally, with "out"
PHASED	-- out (ended gradually)

PHASED	... out (ended gradually)
PHASED	Ended gradually with out
PHASED	In stages
PHASED	Discontinued (with "out")