Lewis & Short

ex-pŭto, āvi, ātum, 1, v. a.

  1. I. To lop off, to prune, to crop: veteranam vitem, Col. 3, 15, 3; 5, 6, 31: palos, id. 11, 2, 12.
  2. II. Trop.
    1. A. To consider well, to examine: utramque rem simul, Plaut. Trin. 2, 1, 8: id exputando evolvere, Auct. Her. 2, 26, 42.
    2. * B. To fathom, comprehend: quae mens eum aut quorum consilia a tanta gloria avocarint, exputare non possum, Planc. ap. Cic. Fam. 10, 24, 6.