fatal
fateful
ineluctable
inescapable
necessary
predictable
unavoidable
absolute
apodictic
appointed
binding
bound
certain
clear
clear and distinct
clear as day
compulsory
conclusive
decided
decisive
definite
destined
determinate
devoted
dictated
doomed
fated
foredoomed
foreordained
imperative
in store
in the cards
indefeasible
ineludible
inevasible
inexorable
inflexible
involuntary
irresistible
irrevocable
mandatory
marked
obligatory
ordained
perfectly sure
positive
predestined
predetermined
relentless
required
destiny
fate
constant
immediate
obvious
terrible
universal