conjecture
This word carries a heavy intellectual weight, often appearing in academic, legal, or scientific discourse. It suggests a leap of logic where the speaker acknowledges a lack of hard evidence but proposes a plausible explanation. It feels more formal and tentative than a guess, implying a structured attempt to deduce a truth. In a social context, using this word can signal a desire for precision or a cautious approach to truth-telling. While a guess is impulsive, a conjecture is a formulated hypothesis that invites further investigation or debate.
Countable when referring to a specific theory or a single guess (a bold conjecture). Uncountable when referring to the general act of speculating (the result was based on pure conjecture).
Meanings
An opinion or conclusion formed on the basis of incomplete information.
"The police had a conjecture about the killer's motive."
To form an opinion or conclusion about something without sufficient evidence.
"Scientists conjecture that the planet may have once had water."