surmise
verb (used with object)
to think or infer without certain or strong evidence; conjecture; guess.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Just then I heard a loud roar, and, as I had been surmising might possibly occur, out dashed a grey old lion towards the little zebra.
From In the Wilds of Africa by Alfred Pearse