Definitions for "Underlie"
To lie under; to rest beneath; to be situated under; as, a stratum of clay underlies the surface gravel.
To lie below or under.
lie underneath
Keywords:  underlay, see
See Underlay, n., 1.
To be at the basis of; to form the foundation of; to support; as, a doctrine underlying a theory.
Keywords:  amenable, subject
To be subject or amenable to.
Keywords:  base, form
be or form the base for