Meaning : An event that occurs at a critical time.
Example :
At such junctures he always had an impulse to leave.
It was needed only on special occasions.
Synonyms : juncture
Meaning : A vaguely specified social event.
Example :
The party was quite an affair.
An occasion arranged to honor the president.
A seemingly endless round of social functions.
Synonyms : affair, function, social function, social occasion
Meaning : Reason.
Example :
There was no occasion for complaint.
Meaning : The time of a particular event.
Example :
On the occasion of his 60th birthday.
Meaning : An opportunity to do something.
Example :
There was never an occasion for her to demonstrate her skill.
Occasion meaning in Bengali (Bangla).