/ˌsʌpəˈzɪʃən/
supposition is pronounced /ˌsʌpəˈzɪʃən/. Supposition refers to a belief or assumption formed without complete evidence. It denotes a tentative claim treated as plausible, often used when forming hypotheses or considering possibilities. In formal writing, it signals reasoned conjecture rather than established fact, and it can imply a level of skepticism or caution about what is known.
Say it backSupposition refers to a belief or assumption formed without complete evidence. It denotes a tentative claim treated as plausible, often used when forming hypotheses or considering possibilities. In formal writing, it signals reasoned conjecture rather than established fact, and it can imply a level of skepticism or caution about what is known.
"Her supposition about the cause of the leak proved unfounded after a thorough inspection."
"The committee acted on a supposition that the funds would be available next quarter."
"We made a supposition about his intentions, but new information changed our assessment."
Pronounce as /ˌsʌpəzɪˈʃən/ (US/UK: ♯suh-puh-ZIH-shuhn). The stress lands on the third syllable: sup-po-SI-tion. Start with /s/ + schwa, then a light /p/ release, followed by a weak /ə/ in the second syllable, and end with /ʃən/ for -tion. Think: suh-puh-ZIH-shn. Visualize the mouth rounding slightly for the /ʃ/ and finishing with a light, airy /ən/.
Common errors include stressing the wrong syllable (pronouncing sup-po-ZI-tion) and mispronouncing the -tion as /tɪən/ instead of /ˈʃən/. Another pitfall is pronouncing the middle -po- as a strong /po/ rather than a reduced schwa /pə/. To correct: keep /ˌsʌpə/ as a light, quick onset, reduce the unstressed vowels, and ensure /ˈʃən/ ends with a clear /ʃ/ followed by a soft /ən/.
In US speech, you’ll hear /ˌsʌpəzɪˈʃən/ with a rhotic /r/ absent in non-rhotic positions but clear /ə/ vowels. UK speakers tend to make the /ˈʃən/ ending slightly crisper, with less vowel length and a lighter /ə/. Australian English keeps the /ˌsʌpəzɪˈʃən/ pattern but with more centralized vowels and a flatter /ɪ/ in -tion. Across all, the main load is on the third syllable, but vowel quality shifts subtly by region.
Difficulties center on the sequence -po- vs -pə- and the final -tion cluster. The second syllable is unstressed with a reduced vowel, while the third syllable carries the main stress and contains the tense /ɪ/ before /ʃ/. The /ʃən/ cluster at the end can be tricky to articulate smoothly after a light /z/ sound in /zɪ/. Practice separating the syllables and then blending to avoid a choked or overly syllabic end.
Focus on the -s- after the first syllable forming /səpə/ and the transition into /zɪ/ before /ʃən/. The sequence /pə.zɪ/ is a common source of mispronunciation: avoid doubling the /z/ or turning it into a /zɪ/ with less emphasis. Keeping the medial /zɪ/ light but clear helps the overall rhythm and prevents a muffled ending.
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Supposition comes from the Middle French supposition (14th century) and Latin suppositio, from suppositus, the past participle of supponere meaning to place below, to substitute, to suppose. The Latin root sub- (under) combined with ponere (to place) gave a sense of placing under consideration or beneath belief. In English, supposition evolved to denote an idea formed from conjecture rather than from direct evidence, aligning with the shift from concrete placement to abstract inference. The word entered Middle English in the 14th century, retaining its sense of a tentative belief. Over time, it has maintained its core meaning across formal and academic registers, often appearing in philosophical, logical, and legal arguments where tentative conclusions are discussed. The pronunciation and stress pattern have remained stable, with the primary stress on the third syllable: sup-po-SI-tion, reflective of its Latinate heritage and multi-syllabic structure. First known use attested in legal and scholastic texts discussing warrants and assumptions, the term gradually permeated general discourse, preserving its emphasis on conjecture grounded in plausible reasoning rather than evidence-based assertion.
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Words that rhyme with "supposition"
-ion sounds
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