eligible
fit
a propos
acceptable
accordant
according to Hoyle
ad rem
adapted
adequate
admissible
advantageous
advisable
agreeable
ample
applicable
apposite
appropriate
apropos
apt
auspicious
barely sufficient
becoming
befitting
civil
commensurate
compatible
competent
condign
congruous
consistent
consonant
convenient
correct
correspondent
corresponding
decent
decorous
deserved
desirable
dovetailing
due
enfranchised
enough
equal to
expedient
excellent
necessary
proper
specific
disputable
immutable
indisputable
inscrutable
irrefutable
mutable
unsuitable