Source : Webster's Revised Unabridged Dictionary (1913)

Reportable \Re*port"a*ble\ (-[.a]*b'l), a.
   Capable or admitting of being reported.

Source : WordNet®

reportable
     adj 1: (of income) required by law to be reported; "reportable
            income" [ant: {unreportable}]
     2: meriting report; "years of research produced no reportable
        results"