chastisable

Example:His behavior was punishable according to the school's code of conduct.

Definition: deserving of punishment.

Example:The staff member's actions were reprimandable and a warning was issued.

Definition:deserving of a formal reprimand or criticism.

Example:Her grammar was correctible and with a bit of practice, she could improve it.

Definition: capable of being corrected or improved.

Example:The children's misbehavior was disciplinable and required immediate attention.

Definition:capable of being disciplined or corrected.

Example:The traffic offender's actions were punable and resulted in a fine.

Definition:deserving of or liable to punishment.