par

[1]	level , equality , equivalence , rank , standing , equation , scale , standard
[2]	above par , above average , superior , outstanding , excellent , exceptional , choice , select , prime
[3]	at par , average , level , even , equal , equivalent , standard , par value
[4]	below/under par , below average , substandard , inferior , second-rate , mediocre , middling , not up to par , poor , inadequate , unsatisfactory , wanting , bad , wretched , miserable , awful , terrible , (Colloq) lousy , not up to snuff/scratch ill , sickly , unhealthy , unwell , not (very) well , not oneself , not in good/the best shape , in bad shape , (Brit) off form , off colour , (Colloq) under the weather , poorly , not up to snuff
[5]	up to par , all right , adequate , average , satisfactory , good enough , passable , acceptable , (Colloq) OK/okay , up to scratch/snuff , fair to middling

adj.

[1]	standard , normal , average , expected