Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun axiom
2 senses of axiom
Sense 1
maxim, axiom -- (a saying that is widely accepted on its own merits)
=> saying, expression, locution -- (a word or phrase that particular people use in particular situations; "pardon the expression")
Sense 2
axiom -- ((logic) a proposition that is not susceptible of proof or disproof; its truth is assumed to be self-evident)
=> proposition -- ((logic) a statement that affirms or denies something and is either true or false)