: the bottom of something considered as its foundation. Fruit juice constitutes the basis of jelly. He is on a first-name basis with his customers.

BASIS definition: the bottom or base of anything; the part on which something stands or rests. See examples of basis used in a sentence.

BASIS definition: 1. the most important facts, ideas, etc. from which something is developed: 2. a way or method of…. Learn more.

1. a bottom or base; the part on which something stands or rests. 2. anything upon which something is based; a fundamental principle. 3. the principal constituent; fundamental ingredient.

Basis Look up Basis or basis in Wiktionary, the free dictionary. Basis is a term used in mathematics, finance, science, and other contexts to refer to foundational concepts, valuation measures, or …

Jan 5, 2026 · Explore the meaning of "basis" in finance, focusing on its tax implications and role in investment transaction. Learn how it affects capital gains and cost analysis.

basis meaning, definition, what is basis: the facts, ideas, or things from which s...: Learn more.

BASIS meaning: 1 : something (such as an idea or set of ideas) from which another thing develops or can develop usually singular; 2 : a reason for doing something

Synonyms for basis include grounds, rationale, reasoning, foundation, justification, rationalisation, rationalization, reason, base and footing. Find more similar ...

The basis of something is its starting point or an important part of it from which it can be further developed.