sovereign
Synonyms: absolute, ascendant, autonomous, chief, commanding, directing, effective, effectual, efficacious, excellent, guiding, highest, imperial, independent, kinglike, kingly, loftiest, majestic, master, monarchal, monarchial, paramount, predominant, predominate, preponderant, prevalent, principal, queenly, regal, regnant, reigning, royal, ruling, self-governed, supreme, unlimited Source: Roget's New Millennium Thesaurus Sign in to see full entry.