grounds

grounds (http://definr.com/grounds)

     n 1: your basis for belief or disbelief; knowledge on which to
          base belief; "the evidence that smoking causes lung
          cancer is very compelling" [syn: evidence]
     2: the enclosed land around a house or other building; "it was
        a small house with almost no yard" [syn: yard, curtilage]
     3: a tract of land cleared for some special purposes
        (recreation or burial etc.)
     4: a justification for something existing or happening; "he had
        no cause to complain"; "they had good reason to rejoice"
        [syn: cause, reason]
     5: sediment that has settled at the bottom of a liquid [syn: dregs,
         settlings]