noun / verb
excuse
ik-SKYOOSS/ɪkˈskjuːs/
To release someone from blame or an obligation.
The rider offers the damaged inner tube to excuse his lateness for the meeting.

Etymology
The roots point to getting someone out of an accusation or charge. The noun names the explanation offered to secure that release from blame or from an obligation.
In context
you have the opportunity to do it the right way at your job right now even if you have a boss that's doing it wrong don't let that be an excuse for you
More examples
- Please excuse the interruption.
- His flat tire is a reasonable excuse for being late.
- The judge excused her from jury duty.
Forms
excuse · excuses · excused · excusing
excusable adjective — Reasonable enough to forgive or overlook.