Entry Word: supposition

Function: noun

Meaning: 1 an idea that is the starting point for making a case or conducting an investigation <my supposition is that this grape variety, which flourishes in southern France, should do equally well here, given the similar climate> — see theory
2 an opinion or judgment based on little or no evidence <itʼs pure supposition that thereʼs something illegal going on next door> — see conjecture
3 something taken as being true or factual and used as a starting point for a course of action or reasoning <worthless genetic research that was based on the erroneous supposition that acquired characteristics can be passed on to offspring> — see assumption