metaphysic
pillar
dictate
postulate
golden rule
fundamental
subprinciple
foot
basics
rudiments
main thing
keynote
formula
archelogy
restriction
limitation
protophenomenon
metaprinciple
rudiment
reciprocity principle
canon
induction
Tao
principle of least action
axiom
Olympism
urgrund
law of conservation of matter
fundamentalist
fundament
philosophy
primordial
conservation of mass
law of conservation of mass
conservation of matter
antecedent
semiclassic
conceptuality
idée mère
meat and potatoes
conceptualisation
fundamentalness
conceptualization
elementation
lodestar
rule
theoretician
organon
crux
grass roots