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basis

Pronunciation: /ˈbeɪsɪs/
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Definition of basis

noun (plural bases /-siːz/)

  • the underlying support or foundation for an idea, argument, or process:trust is the only basis for a good working relationship
  • [with adjective] the system or principles according to which an activity or process is carried on:she needed coaching on a regular basis
  • the justification for or reasoning behind something:on the basis of these statistics important decisions are made

Origin:

late 16th century (denoting a base or pedestal): via Latin from Greek, 'stepping'. Compare with base1

Spelling rule

Make the plural of basis by changing the -is ending to -es: (bases).

basis in other Oxford dictionaries

Definition of basis in the US English dictionary
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