To celebrate the occasion

Meaning

To mark a special event with a party or gathering.

Examples

• John: 'We're having a dinner <b>to celebrate the occasion</b> of our wedding anniversary.'<br>
• Alice: 'Congratulations!'
• John: 'That's great news!'
• Alice: 'We're throwing a small bash <b>to celebrate the occasion</b> of my graduation.'<br>