basis

n. foundation, base

Basis may refer to:Basis (options), the value differential between a call option and a put optionCost basis, in the calculation of capital gainsBasis (crystal structure), positions of the atoms inside the unit cellBASIS International, a software companyin Renaissance music, the bassline was sometimes called the basisBASIS Inspections, a home inspection company in the Tulsa, OK areaBASIS Charter School, a high-expectations school in Tucson, AZ In mathematics:Basis (linear algebra)Schauder basisBasis (topology)Gröbner basisGreedoidGenerating set of a group
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Noun
1. a relation that provides the foundation for something; "they were on a friendly footing"; "he worked on an interim basis"
(synonym) footing, ground
(hypernym) foundation
(hyponym) common ground
2. the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"
(synonym) base, foundation, fundament, groundwork, cornerstone
(hypernym) assumption, supposition, supposal
(hyponym) meat and potatoes
(part-holonym) explanation
3. the most important or necessary part of something; "the basis of this drink is orange juice"
(synonym) base
(hypernym) part, portion, component part, component

n. base, foundation, bottom layer; principal element, fundamental part; keystone

n. basis, mount; foundation; place from which actions are carried out (Military)