PS
Parthian shot
about-face
addendum
afterthoughts
appendix
back matter
better thoughts
bind
block
blockage
bureaucratic delay
change of mind
chorus
coda
codicil
colophon
conclusion
consequence
continuance
continuation
delay
delayage
delayed reaction
detention
developed thought
double take
dragging
dying words
envoi
epilogue
flip
flip-flop
follow-through
follow-up
halt
hang-up
hindrance
holdup
interim
jam
lag
lagging
last words
logjam
mature judgment
mature thought
moratorium
obstruction
paperasserie
add-on
addition
improver
reversal
turnabout
turnaround
aside
infraction
rejoinder