surmise
verb (used with object)
to think or infer without certain or strong evidence; conjecture; guess.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Iñez’s speech imparts no information: for Carmen has been surmising in the same strain.
From The Flag of Distress A Story of the South Sea by Mayne Reid