grounds

noun

1.
your basis for belief or disbelief; knowledge on which to base belief
suttling evidence
2.
the enclosed land around a house or other building
garth curtilage yard
3.
a tract of land cleared for some special purposes (recreation or burial etc.)
4.
a justification for something existing or happening
cause reason
5.
dregs consisting of solid particles (especially of coffee) that form a residue