SynonymDefinitionAntonym.com - English Synonym Dictionary

A poor example

A defense of some offensive behavior or some failure to keep a promise etc.

A note explaining an absence

Accept an excuse for

Defend, explain, clear away, or make excuses for by reasoning

Excuse, overlook, or make allowances for; be lenient with

Serve as a reason or cause or justification of

Grant exemption or release to

Ask for permission to be released from an engagement