craved
desired
hot
longed-for
loved
sought
sought-after
wished-for
yearned-for
called for
coveted
essential
hoped-for
in demand
indicated
indispensable
irreducible
irreductible
irreplaceable
necessary
needed
needful
popular
prerequisite
required
requisite
unforgoable
vital
daunted
flaunted
haunted
taunted
undaunted
unwanted
vaunted