preventative
preventive
foreboding
forehanded
forerunning
foreseeing
foresighted
forethoughted
forethoughtful
forewarning
portentous
precautional
precautious
precursive
precursory
premonitory
prodromal
prodromic
provident
provisional
cautionary
coincidental
consultative
corrective
disciplinary
drastic
expeditious
failsafe
hygienic
initiatory
martingale
money
preemptive
presume
procedural
prudential
qualitative
regulative
remedial
stop-gap
stringent
sumptuary
tap-tapping
therapeutic