supposition

sup·po·si·tion

noun \ˌsə-pə-ˈzi-shən\

Definition of SUPPOSITION

1

: something that is supposed : hypothesis

2

: the act of supposing

— sup·po·si·tion·al \-ˈzish-nəl, -ˈzi-shə-n^əl\ adjective

Examples of SUPPOSITION

1. a supposition that proved correct
2. This is just idle supposition.

Origin of SUPPOSITION

Middle English supposicioun, from Anglo-French supposicion, from Late Latin supposition-, suppositio, from Latin, act of placing beneath, from supponere

First Known Use: 15th century

Related to SUPPOSITION

Synonyms

hypothesis, proposition, theory, thesis

Related Words

assumption, concession, premise (also premiss), presumption, presupposition, theorem; conjecture, generalization, guess, guesswork, inference, speculation, surmise; proffer, proposal, suggestion; feeling, hunch, impression, inkling, notion, suspicion; abstraction, concept, conception, construct

Near Antonyms

assurance, certainty, fact, knowledge

Rhymes with SUPPOSITION

acoustician, acquisition, admonition, aesthetician, air-condition, ammunition, apparition, apposition, coalition, co-edition, competition, composition, cosmetician, decommission, decondition, definition, demolition, deposition, dietitian, disposition, disquisition, electrician, erudition, exhibition, expedition, exposition, extradition, first edition, imposition, in addition, inanition, in commission, inhibition, inquisition, intermission, intromission, intuition, linguistician, logistician, malnutrition, malposition, manumission, mathematician, mechanician, micturition, obstetrician, on commission, opposition, Ordovician, parturition, politician, precognition, precondition, premonition, preposition, proposition, recognition, recondition, repetition, requisition, rescue mission, rhetorician, self-ignition, statistician, submunition, superstition, text edition, trade edition, transposition