Adjective
1. far beyond what is usual in magnitude or degree;
"a night of exceeding darkness""an exceptional memory""olympian efforts to save the city from bankruptcy""the young Mozart's prodigious talents"2. surpassing what is common or usual or expected;
"he paid especial attention to her""exceptional kindness""a matter of particular and unusual importance""a special occasion""a special reason to confide in her""what's so special about the year 2000?"3. deviating widely from a norm of physical or mental ability; used especially of children below normal in intelligence;
"special educational provisions for exceptional children"