evince [ɪˈvɪns] v.t.
1.) To show in a clear manner; to prove beyond any reasonable doubt; to manifest; to make evident; to bring to light; to evidence.
2.) [Obs.] To conquer; to subdue (GNU International Collaborative Dictionary of English).
Etymology: Latin evincere vanquish completely, prevail, succeed in proving; e out + vincere to vanquish.
"The quiet seclusion of Dingley Dell, the presence of so many of the gentler sex, and the solicitude and anxiety they evinced in his behalf, were all favourable to the growth and development of those softer feelings which nature had implanted deep in the bosom of Mr. Tracy Tupman, and which now appeared destined to centre in one lovely object" (The Posthumous Papers of the Pickwick Club, Charles Dickens, 1837).