grounds

your basis for belief or disbelief; knowledge on which to base belief

• “the evidence that smoking causes lung cancer is very compelling”

the enclosed land around a house or other building

• “it was a small house with almost no yard”

a tract of land cleared for some special purposes (recreation or burial etc.)

a justification for something existing or happening

• “he had no cause to complain”
• “they had good reason to rejoice”

sediment that has settled at the bottom of a liquid