axiom (n.)

• adage
• affirmation
• ana
• analects
• aphorism
• apothegm
• assertion
• assumption
• basis
• byword
• canon
• catchword
• center
• circumstance
• conjecture
• core
• data
• datum
• dictate
• dictum
• distich
• doctrine
• dogma
• elixir
• epigram
• essence
• essential
• expression
• fact
• flower
• focus
• formula
• foundation
• fundamental
• gist
• gnome
• ground
• guesswork
• heart
• hypostasis
• hypothesis
• inference
• kernel
• law
• lemma
• marrow
• maxim
• meat
• moral
• mot
• motto
• nub
• nucleus
• oracle
• phrase
• pith
• plain
• position
• postulate
• postulation
• precept
• premise
• prescript
• presumption
• presupposition
• principle
• proposition
• proverb
• proverbs
• quid
• quiddity
• quintessence
• rule
• sap
• saw
• saying
• sentence
• soul
• spirit
• statement
• stuff
• substance
• sumption
• supposal
• supposition
• surmise
• sutra
• teaching
• tenet
• text
• theorem
• thesis
• truism
• truth
• verse
• wisdom
• witticism
• word