Word Study
thinkable
CIDE DICTIONARY
thinkable, a.
Capable of being thought or conceived; cogitable. Sir W. Hamilton. [1913 Webster]
THESAURUS
thinkable
believable, cogitable, conceivable, conceivably possible, contingent, credible, fanciable, feasible, humanly possible, imaginable, likely, plausible, possible, potential, probable, reasonable, supposable, tenableFor further exploring for "thinkable" in Webster Dictionary Online