Definition of excelling:
(v) :
(intransitive) To be much better than others.
(v) :
(transitive) To surpass someone or something; to be better or do better than someone or something.
(v) :
(transitive, archaic, rare) To exceed, to go beyond.
(n) :
(computing, software) Microsoft Excel, a spreadsheet application software program written and distributed by Microsoft.