Meaning : A defense of some offensive behavior or some failure to keep a promise etc..
He kept finding excuses to stay.
Every day he had a new alibi for not getting a job.
His transparent self-justification was unacceptable.
Meaning : The act of freeing from guilt or blame.
Exculpation ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Exculpation ka matlab kya hota hai?