n 1  :  a sudden violent attack of a disease (as epilepsy) esp. when marked by convulsions or unconsciousness  :  PAROXYSM  2  :  a sudden but transient attack of a physical disturbance <s of shivering> 
adj, fit*ter  fit*test  1  :  adapted to the environment so as to be capable of surviving  2  :  sound physically and mentally  :  HEALTHY fit*ness n 
, n :  the fact, condition, or manner of being fitted or adapted .
 
 
 
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