Synonyms of domain

Noun

1. sphere, domain, area, orbit, field, arena, environment

usage: a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"

2. domain, demesne, land, region

usage: territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land"

3. domain, domain of a function, set

usage: (mathematics) the set of values of the independent variable for which a function is defined

4. world, domain, class, stratum, social class, socio-economic class

usage: people in general; especially a distinctive group of people with some shared interest; "the Western world"

5. knowledge domain, knowledge base, domain, content, cognitive content, mental object

usage: the content of a particular field of knowledge

Definition and meaning of domain (Dictionary)