| meditate(verb, consider, worry, fret, contemplate) |
| mope(verb, consider, worry, fret, contemplate) |
| mull over(verb, expression, worry, fret, grieve) |
| muse(verb, consider, worry, fret, contemplate) |
| ponder(verb, worry, fret, grieve, ruminate) |
| puzzle over |
| question |
| reflect(verb, consider, worry, fret, contemplate) |
| repine(verb, consider, worry, fret, contemplate) |
| ruminate(verb, consider, worry, fret, contemplate) |
| sigh(verb, consider, worry, fret, contemplate) |
| speculate(verb, consider, worry, fret, contemplate) |
| stew over(verb, expression, consider, worry, fret) |
| sulk(verb, consider, worry, fret, contemplate) |
| sweat out(verb, expression, consider, worry, fret) |
| sweat over(verb, expression, consider, worry, fret) |
| think about(verb, expression, consider, worry, fret) |
| think upon(verb, expression, consider, worry, fret) |
| thrash about |
| wonder |