Capable of being criticized; open to criticism or objections (American spelling).
From criticize (American spelling, from critic) plus -able. American English uses the -ize form, deriving from Greek -izo, while British prefers -ise from French influence.
In the great spelling divide, 'criticizable' (American) vs 'criticisable' (British) reveals how two English-speaking nations diverged in their choices—and both are completely defensible etymologically.
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