tolerable

Capable of being tolerated; endurable.

Acceptable but not superior; passable: synonym: average.

That may be borne or endured; supportable, either physically or mentally.

Fit to be tolerated; sufferable.

Moderately good or agreeable; not contemptible; not very excellent or pleasing, but such as can be borne or received without positive approval or disapproval; passable; mediocre.