OK
Roger
absolutely
actually
all right
alright
alrighty
amen
and no mistake
as you say
at all events
at any rate
aye
by all means
certainly
clearly
da
decidedly
decisively
definitely
demonstrably
distinctly
exactly
fine
for a certainty
for a fact
for certain
for real
for sure
forsooth
good
good enough
hear
in all conscience
in truth
indeed
indeedy
indubitably
ja
just so
mais oui
manifestly
most assuredly
most certainly
naturally
naturellement
nothing else but
noticeably