We found one dictionary that defines the word ponder on:

Miscellaneous (1 matching dictionary)

1. ponder on: Idioms

Phrases: one thing philosophers ponder on, more... ▸ Words similar to ponder on ▸ Usage examples for ponder on ▸ Idioms related to ponder on ▸ Wikipedia articles (New!) ▸ Words that often appear near ponder on ▸ Rhymes of ponder on ▸ Invented words related to ponder on