adj. Capable of being exculpated; deserving exculpation.
the GNU version of the Collaborative International Dictionary of English
Capable of being exculpated; deserving exculpation.
The Century Dictionary and Cyclopedia
Capable or worthy of exculpation.
Word Usage
"Nor does he argue, following the late A.J.P. Taylor, that the Germans were somehow compelled into aggression and therefore exculpable for the war and its conduct."