Synonyms of the word

permissible

• adj. permitted.

admissible

• adj. capable or deserving to be admitted, accepted or allowed; allowable, permissible, acceptable.
• adj. (artificial intelligence) Describing a heuristic that never overestimates the cost of reaching a goal.

allowable

• adj. Appropriate; satisfactory; acceptable.
• adj. Intellectually admissible; valid; probable.
• adj. Able to be added or deducted in consideration of something.
• adj. Permissible; tolerable; legitimate.
• adj. (obsolete) Praiseworthy.

tolerable

• adj. Capable of being borne, tolerated or endured; bearable or endurable.
• adj. Moderate in degree; mediocre; passable, acceptable or so-so.
• adj. Such as to be tolerated or countenanced; permissible; allowable.
• adj. In fair health; passably well.
• adv. (dialect) tolerably; passably; moderately.