'Believable' definitions:

Definition of 'believable'

From: WordNet
adjective
Capable of being believed; "completely credible testimony"; "credible information" [syn: credible, believable] [ant: incredible, unbelievable]

Definition of 'Believable'

From: GCIDE
  • Believable \Be*liev"a*ble\, a. Capable of being believed; credible. -- {Be*liev"a*ble*ness}, n. -- {Be*liev`a*bil"i*ty}, n. [1913 Webster]