As you might surmise, prices go further into the stratosphere as things progress.
From the sfgate.com
Also, it was not hard to surmise that the driver was unfamiliar with the terrain.
From the scienceblogs.com
When speaking with friends and neighbors, I surmise they generally feel the same.
From the dailyherald.com
Red Bull has about 120 mg., so it seems like one can generally surmise that 1 oz.
From the forbes.com
He said he is not naive, and puts more thought into his moves than people surmise.
From the heraldtribune.com
We surmise it has to do with Bruce's recognition of his polarizing reputation.
From the denverpost.com
Given the new rules, you might surmise the EPA favored aggressive action on ozone.
From the denverpost.com
I surmise that you aren't dreading the outdated notions in connection with it.
From the iftomm2003.com
By stitching surmise to fact, Goerner makes a book that barely hangs together.
From the time.com
More examples
Infer from incomplete evidence
Guess: a message expressing an opinion based on incomplete evidence
Suspect: imagine to be the case or true or probable; "I suspect he is a fugitive"; "I surmised that the butler did it"
(surmisable) presumable: capable of being inferred on slight grounds
Thought, imagination, or conjecture, which may be based upon feeble or scanty evidence; suspicion; guess; as, surmises of jealousy or of envy; Reflection; thought; posit; To conjecture, to opine or to posit with contestable premises
(surmises) conjectures, speculations, guesses.
(SURMISING) [ 1 Ti 6:4] suspecting; imagining upon slight evidence. The act of suspecting; as, evil surmisings.
(v.) to infer with little evidence (After speaking to only one of the students, the teacher was able to surmise what had caused the fight.)
Similar to Conjecture - a recognition that something may happen, and what might follow from that. A famous example, from a poem by Keats: