The Collaborative International Dictionary of English v.0.48:

Ponderate \Pon"der*ate\, v. t. [L. ponderatus, p. p. of
   ponderare. See Ponder.]
   To consider; to ponder. [R.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ponderate \Pon"der*ate\, v. i.
   To have weight or influence. [R.]
   [1913 Webster]