The moment when jadish got order of promotion, as General Manager, was a memorable occasion for him and his family.

Answer: Option C

memorable : worth remembering or easily remembered, especially because of being special or unusual.
passing : going past.
immemorial : originating in the distant past; very old.
forgetful : apt or likely not to remember.
innocuous : not harmful or offensive.


Antonym of memorable is forgetful