exceptional Definition

1. Remarkable or outstanding.

Thesaurus: excellent, marvellous, superlative, superior, prodigious, remarkable, outstanding, phenomenal, extraordinary; Antonym: mediocre.
2. Being or making an exception.

Thesaurus: unusual, rare, strange, unexpected, uncommon, extraordinary, atypical, odd, singular, irregular, anomalous, aberrant; Antonym: conventional.

In an exceptional way; to an exceptional or unusual degree.