1) Acceptable 2) Allowable 3) French word used in English 4) Permitted 5) Tolerable 1) Admissible 2) Allowable 3) Justified 4) Kosher 5) Lawful 6) Legal 7) Licit 8) Permitted 9) Sanctioned 10) Tolerable 
• (a.) That may be permitted; allowable; admissible.
That which is allowable or permitted. It is most widely applied to mine equipment and explosives of all kinds which are similar in all respects to samples that have passed certain tests of the MSHA and can be used with safety in accordance with specified conditions where hazards from explosive gas or coal dust exist.
Per·mis'si·ble adjective That may be permitted; allowable; admissible. -- 
That which is allowable or permitted. It is most widely applied to mine equipment and explosives of all kinds which are similar in all respects to samples that have passed certain tests of the MSHA and can be used with safety in accordance with specified conditions where hazards from explosive gas or coal dust exist.
[adj] - that may be accepted or conceded 2. [adj] - that may be permitted especially as according to rule
permissible 1. That which may be permitted; especially, according to some existing rule: 'He made a permissible tax deduction.' 2. Anything which may be accepted or conceded as being correct, possible, or considered.
allowable adjective that may be permitted especially as according to rule; `permissible behavior in school`; `a permissible tax deduction`
[Logging] (As applied to any device, equipment or appliance)- such device, equipment or appliance has the formal approval of the United States Bureau of Mines, American Standards Association, or National Board of Fire Underwriters.