[n] the act of converging (coming closer)
[n] a representation of common ground between theories or phenomena; "there was no overlap between their proposals"
[n] the approach of an infinite series to a finite limit
[n] the occurrence of two or more things coming together
\Con*ver"gence\, Convergency \Con*ver"gen*cy\, n. [Cf. F. convergence.] The condition or quality of converging; tendency to one point. The convergence or divergence of the rays falling on the pupil. --Berkeley.