The Collaborative International Dictionary of English v.0.48:
Excel \Ex*cel"\, v. t. [imp. & p. p. Excelled; p. pr. & vb. n.
Excelling.] [L. excellere, excelsum; ex out + a root found
in culmen height, top; cf. F. exceller. See Culminate,
1. To go beyond or surpass in good qualities or laudable
deeds; to outdo or outgo, in a good sense.
Excelling others, these were great;
Thou, greater still, must these excel. --Prior.
I saw that wisdom excelleth folly, as far as light
excelleth darkness. --Eccl. ii.
2. To exceed or go beyond; to surpass.
She opened; but to shut
Excelled her power; the gates wide open stood.