| daydream(consider, contemplate, entertain) |
| deliberate(consider, contemplate, entertain) |
| despond(consider, contemplate, entertain) |
| dream(consider, contemplate, entertain) |
| dwell upon(expression, consider, contemplate, entertain) |
| fret(consider, contemplate, entertain) |
| gloom(consider, contemplate, entertain) |
| grieve(consider, contemplate, entertain) |
| had better(expression, bear, must, would) |
| have a duty to(expression, idiom, bear, must, would) |
| lament(consider, contemplate, entertain) |
| languish(consider, contemplate, entertain) |
| meditate(consider, contemplate, entertain) |
| mope(consider, contemplate, entertain) |
| muse(consider, contemplate, entertain) |
| obligate(verb, need, require, must) |
| ought to(verb, expression, bear, endure, need) |
| play around with(expression, idiom, consider, contemplate, entertain) |
| reflect(consider, contemplate, entertain) |
| repine(consider, contemplate, entertain) |