appreciable (adj.)
- apparent
- apprehensible
- ascertainable
- assessable
- calculable
- clear
- cognizable
- comprehensible
- computable
- conceivable
- concrete
- detectable
- determinable
- discernible
- discoverable
- distinguishable
- estimable
- evident
- fathomable
- graspable
- knowable
- manifest
- material
- measurable
- mensurable
- noticeable
- numerable
- observable
- obvious
- palpable
- perceptible
- plain
- ponderable
- prehensible
- quantifiable
- real
- recognizable
- sensible
- solid
- substantial
- substantive
- tangible
- understandable