substitute Synonyms - page 2
synthetic
vicarial
vicarious
vicegerent
pro tem
fallback
quid pro quo
replacing
step in
man-made
stopgap
reordering
relief pitcher
second banana
substitute for
take the place of
act for
replaced
trade-off
sunnah
second string
service road
second-in-command
sit in
fill-in
backup man
second-stringer
father figure
mother figure
standby
make do
locum
second-rater
pis aller
relace
deputise
caretaker
pinch hitter
designated hitter
jury mast
understudied
act
envoy
emissary
duplicate
double
displace
depute
delegate
cover