vulnerable
accessible
apprehensible
approachable
articulate
assailable
attackable
attainable
available
beatable
cognizable
come-at-able
comprehensible
conquerable
easily understood
easy to understand
exoteric
expugnable
fathomable
findable
getatable
gettable
intelligible
knowable
obtainable
open
open to
openable
permeable
pervious
plumbable
porose
porous
pregnable
prehensible
procurable
reachable
readable
scrutable
securable
surmountable
to be had
understandable
vincible
weak
within reach
penetrableness
penetrably
ascertainable
avowable
bearable
crushworthy
detectable
discernable
drinkable
fordable
inhabitable
navigable
nickelpede
night-cloaked
passable
perceivable
recognisable
reconcilable
timber-land
translatable
unexpressive
impenetrable