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assumption

as·sump·tion

assumption

 
pronunciation:
suhmp shn
features:
Word Parts
part of speech: noun
definition 1: the act of supposing or taking for granted.
You have never met the man, and your opinion of him is based purely on assumption.
synonyms:
presumption, presupposition, supposition
similar words:
conjecture, postulation, premise
definition 2: that which is supposed or taken for granted.
She was indeed lost, but his assumption that she was a tourist was incorrect.Because he was so late, she made the assumption that he'd missed his train.
 
synonyms:
presumption, supposition
similar words:
conjecture, guess, position, premise
definition 3: a taking on, as of a duty, role, or office.
His older brother's abdication as king forced his assumption of the throne.Her assumption of the role of caregiver for their ailing mother was a relief to her siblings.
synonyms:
undertaking
similar words:
accession, adoption, appropriation
Word Parts
The word assumption contains the following part:
as- Latin prefix that means to, toward
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The prefix as- occurs in Latin loanwords. It is an assimilated form of ad- used before roots beginning with an "s" sound, such as "sent" and "cert." See ad-.
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