Passable

Definition:

(a.) Capable of being passed, traveled, navigated, traversed, penetrated, or the like; as, the roads are not passable; the stream is passablein boats.
(a.) Capable of being freely circulated or disseminated; acceptable; generally receivable; current.
(a.) Such as may be allowed to pass without serious objection; tolerable; admissable; moderate; mediocre.

Compare passable with other words:

fair vs. passable