assumed
augured
called for
denoted
essential
foreshadowed
foreshown
foretokened
hinted
implicated
implied
indispensable
inferred
intimated
involved
irreducible
irreductible
irreplaceable
meant
measured
necessary
needed
needful
predicted
prefigured
preindicated
prerequisite
presaged
presignified
presumed
presupposed
pretypified
prognosticated
promised
registered
required
requisite
shown
signified
suggested
supposed
threatened
unforgoable
vital
wanted