Open English Wordnet
Adjectives
(s)autonomous, independent, self-governing, sovereign(of political bodies) not controlled by outside forces“an autonomous judiciary”, “a sovereign state”
(s)autonomousexisting as an independent entity“the partitioning of India created two separate and autonomous jute economies”
(s)autonomous, self-directed, self-reliant(of persons) free from external control and constraint in e.g. action and judgment