Переклад слова «occasion» з англійської на українську мову

Also, on occasion of snow-squalls, we had all the snow wedesired.
The occasion has been enjoyable and will, I trust, proveprofitable.
This is an occasion that demands an exception from our edict.
I hope Bothwell doesnot take the occasion to make mischief.
Cosmo Mornington on the first occasion that I saved his life.