verb (ˈpɒstjʊˌleɪt)(tr; may take a clause as object)
1.
to assume to be true or existent; take for granted
2.
to ask, demand, or claim
3.
to nominate (a person) to a post or office subject to approval by a higher authority
noun (ˈpɒstjʊlɪt)
4.
something taken as self-evident or assumed as the basis of an argument
5.
a necessary condition or prerequisite
6.
a fundamental principle
7. logic, mathematics
an unproved and indemonstrable statement that should be taken for granted: used as an initial premise or underlying hypothesis in a process of reasoning