| perhaps(adverb, certain, possibility, maybe) |
| perchance(adverb, certain, possibility, perhaps, possibly) |
| maybe(adverb, certain, possibility, perhaps, possibly) |
| possibly(adverb, possibility) |
| peradventure(adverb, possibility) |
| conceivably(adverb, perhaps, possibly, maybe, perchance) |
| haply(adverb, possibility) |
| may |
| can be(expression, adverb, perhaps, possibly, maybe) |
| may be(expression, idiom, possibility) |
| probably |
| credible(adverb, perhaps, possibly, maybe, presumptively) |
| feasible(adverb, perhaps, possibly, maybe, perchance) |
| could be(expression, adverb, perhaps, possibly, maybe) |
| imaginably(adverb, perhaps, possibly, maybe, perchance) |
| in a way |
| it could be(expression, idiom, adverb, perhaps, possibly) |
| might be(expression, adverb, perhaps, possibly, maybe) |
| weather permitting(expression, adverb, perhaps, possibly, maybe) |
| literary perchance |