It was a truly transformative experience.

Meaning

The experience significantly changed one's perspective or way of life.

Examples

• John: My trip to Nepal was life-changing.
• Alice: In what way?
• John: <b>It was a truly transformative experience</b>. My perspective has shifted completely.
• Alice: That's wonderful to hear. I'm glad it was such a positive change. <b>It was a truly transformative experience</b>, then?