| Main Entry: | |
| Part of Speech: | noun |
| Definition: | basis |
| Synonyms: | base, foundation, ground, groundwork, substructure, support |
| Main Entry: | underpin |
| Part of Speech: | verb |
| Definition: | base |
| Synonyms: | build, construct, depend, derive, establish, found, ground, hinge, locate, plant*, predicate, prop, rest, root, set up, station, stay |
| 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: | base |
| Part of Speech: | noun |
| Definition: | fundamental part |
| Synonyms: | authority, backbone, basis, chief constituent, core, essence, essential, evidence, foundation, fundamental, groundwork, heart, important part, infrastructure, key, origin, primary element, principal, principle, root, source, underpinning |
| Main Entry: | basis |
| Part of Speech: | noun |
| Definition: | foundation for belief, action |
| Synonyms: | antecedent, assumption, authority, axiom, backbone, background, backing, base, bedrock, cause, center, chief ingredient, core, crux, data, dictum, essence, essential, evidence, explanation, footing, fundamental, hard fact, heart, infrastructure, justification, keynote, keystone, law, nexus, nucleus, postulate, premise, presumption, presupposition, principal element, principle, proof, reason, root, rudiment, sanction, security, source, substratum, support, theorem, theory, underpinning, warrant |
| Main Entry: | brace |
| Part of Speech: | noun |
| Definition: | support |
| Synonyms: | arm, band, bar, bearing, block, bolster, boom, bracer, bracket, buttress, cantilever, clamp, girder, grip, guy, lever, mainstay, peg, prop, rafter, reinforcement, rib, shore, skid, splice, splint, staff, stanchion, stave, stay, stirrup, strengthener, strut, sustainer, truss, underpinning, vice |
| Main Entry: | buttress |
| Part of Speech: | noun |
| Definition: | brace, support |
| Synonyms: | abutment, column, mainstay, pier, prop, reinforcement, shore, stanchion, stay, strut, underpinning |
| Main Entry: | column |
| Part of Speech: | noun |
| Definition: | pillar |
| Synonyms: | brace, buttress, caryatid, colonnade, cylinder, mast, minaret, monolith, monument, obelisk, pedestal, peristyle, pier, pilaster, post, prop, pylon, shaft, standard, stay, stele, support, totem, tower, underpinning, upright |
| Main Entry: | footing |
| Part of Speech: | noun |
| Definition: | foundation, basis |
| Synonyms: | basement, bedrock, bottom, establishment, foot, foothold, ground, groundwork, infrastructure, installation, resting place, seat, seating, settlement, substratum, substructure, underpinning, understructure, warrant |