Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
thinkable is an adjective meaning "capable of being conceived or imagined or considered". It carries one recorded sense.
capable of being conceived or imagined or considered
Definitions, synonyms and semantic relations for thinkable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.