Perpend

from The Collaborative International Dictionary of English v.0.48

Perpend \Per*pend"\, v. t. [L. perpendere, perpensum; per +
   pendere to weight.]
   To weight carefully in the mind. [R.] "Perpend my words."
   --Shak.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Perpend \Per*pend"\, v. i.
   To attend; to be attentive. [R.] --Shak.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

23 Moby Thesaurus words for "perpend":
      be abstracted, brood, chew the cud, consider, contemplate, debate,
      deliberate, digest, excogitate, introspect, meditate, mind, muse,
      play around with, play with, ponder, reflect, ruminate, speculate,
      study, think over, toy with, weigh

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