assumption : Idioms & Phrases
assumption of mary
- 
       noun celebration in the Roman Catholic Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Dormition in the Eastern Orthodox Church
       
       
Assumption; August 15.
 
WordNet
basic assumption
- 
       noun an assumption that is basic to an argument
       
       
constatation; self-evident truth.