Word Study
self-consistent
CIDE DICTIONARY
self-consistent, a.
Consistent with one's self or with itself; not deviation from the ordinary standard by which the conduct is guided; logically consistent throughout; having each part consistent with the rest. [1913 Webster]
OXFORD DICTIONARY
self-consistent, adj. (of parts of the same whole etc.) consistent; not conflicting.
Derivative
self-consistency n.
For further exploring for "self-consistent" in Webster Dictionary Online