What is another word for on the occasion that?
Pronunciation: [ɒnðɪ əkˈe͡ɪʒən ðˈat] (IPA) 
On the occasion that is a phrase used to indicate a particular instance where something may occur. However, it's important to vary your language and avoid repeating the same phrase over and over again. Some synonyms for on the occasion that include "when," "if," "in the event that," "provided that," "once," "while," "anytime," "occasionally," "sometimes," "perchance," "whenever," "each time," and "upon occasion." Using different synonyms for on the occasion that can help to add variety and interest to your writing, while conveying the same meaning.
