I'm not sure what your options are, but here's what I've come up with:
The reason for our tardiness was because we got stuck in traffic.
The first one is provoked and the second one is sonic. I think. Let me know if that’s not right
Explanation:
First and foremost, one of the most important reasons to learn a foreign language is the stimulation it offers your mind. Like a young child grappling with language for the very first time, you find yourself lusting for knowledge and oozing curiosity at every turn.