| Main Entry: | |
| Part of Speech: | noun |
| Definition: | earth, land |
| Synonyms: | arena, dirt, dust, field, landscape, loam, old sod, park, real estate, sand, sod, soil, terra firma, terrain, turf |
| Antonyms: | heavens, sky |
| Main Entry: | grounds |
| Part of Speech: | noun |
| Definition: | basis, premise |
| Synonyms: | account, antecedent, argument, base, bedrock, call, cause, chapter and verse, demonstration, determinant, dope*, evidence, excuse, factor, footing, foundation, goods*, groundwork, inducement, info, information*, infrastructure, justification, motive, numbers, occasion, pretext, proof, rationale, reason, root*, seat, straight stuff, substratum, test, testimony, trial, underpinning, wherefore, why, whyfor |
| Main Entry: | grounds |
| Part of Speech: | noun |
| Definition: | sediment |
| Synonyms: | deposit, dregs, grouts, leavings, lees, precipitate, precipitation, residue, settlings |
| Main Entry: | account |
| Part of Speech: | noun |
| Definition: | basis or consideration for action |
| Synonyms: | cause, ground, grounds, interest, justification, motive, rationale, rationalization, reason, regard, sake |
| Main Entry: | arena |
| Part of Speech: | noun |
| Definition: | building or enclosure for entertainment or sports |
| Synonyms: | amphitheatre, boards, bowl, circus, coliseum, course, diamond, field, gridiron, ground, gym, gymnasium, hippodrome, ice, park, pit, platform, ring, rink, square, stadium, stage |
| Main Entry: | base |
| Part of Speech: | noun |
| Definition: | foundation |
| Synonyms: | basement, basis, bed, bedrock, bottom, foot, footing, ground, groundwork, infrastructure, pedestal, rest, root, seat, seating, stand, substratum, substructure, support, underpinning |
| Antonyms: | top |
| Main Entry: | basis |
| Part of Speech: | noun |
| Definition: | physical foundation |
| Synonyms: | base, bed, bottom, foot, footing, ground, groundwork, rest, resting place, seat, substructure, support |
| Main Entry: | bed |
| Part of Speech: | noun |
| Definition: | base, foundation |
| Synonyms: | basis, bedrock, bottom, ground, groundwork, rest, seat, substratum, understructure |
| Main Entry: | bottom |
| Part of Speech: | noun |
| Definition: | foundation |
| Synonyms: | base, basement, basis, bed, bedrock, belly, deepest part, depths, floor, foot, footing, ground, groundwork, lowest part, nadir, nether portion, pedestal, pediment, rest, seat, sole, substratum, substructure, support, terra firma, underbelly, underneath, underside |
| Antonyms: | top |