| noun | education or instruction in the fundamentals of a field of knowledge “he lacks the foundation necessary for advanced study” |
| noun | fastening electrical equipment to earth |
| verb | fix firmly and stably “anchor the lamppost in concrete” |
| verb | confine or restrict to the ground “After the accident, they grounded the plane and the pilot” |
| verb | place or put on the ground |
| verb | instruct someone in the fundamentals of a subject |
| verb | bring to the ground “the storm grounded the ship” |
| verb | hit or reach the ground |
| verb | throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage |
| verb | hit a groundball “he grounded to the second baseman” |
| verb | hit onto the ground |
| verb | cover with a primer; apply a primer to |
| verb | connect to a ground “ground the electrical connections for safety reasons” |
| verb | use as a basis for; found on “base a claim on some observation” |
| ground | verb | connect to a ground |
| earth | verb | connect to the earth |
| anchor | noun | a central cohesive source of support and stability |
| ground | noun | the solid part of the earth's surface |
| grounder | noun | (baseball) a hit that travels along the ground |
| primer | noun | the first or preliminary coat of paint or size applied to a surface |
| undercoat | noun | seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion |
| grounding | noun | fastening electrical equipment to earth |
| base | noun | the fundamental assumptions from which something is begun or developed or calculated or explained |
| foundation | noun | the basis on which something is grounded |