from
The Collaborative International Dictionary of English v.0.48
Surmise \Sur*mise"\, v. t. [imp. & p. p. {Surmised}; p. pr. &
vb. n. {Surmising}.]
To imagine without certain knowledge; to infer on slight
grounds; to suppose, conjecture, or suspect; to guess.
[1913 Webster]
It wafted nearer yet, and then she knew
That what before she but surmised, was true. --Dryden.
[1913 Webster]
This change was not wrought by altering the form or
position of the earth, as was surmised by a very
learned man, but by dissolving it. --Woodward.
[1913 Webster]