Thesaurus.com
Dictionary.com
Definitions

dynasty

[dahy-nuh-stee, din-uh-stee] / ˈdaɪ nə sti, ˈdɪn ə sti /
NOUN
ruling family
Synonyms
STRONG
clan family house lineage
WEAK
sovereignty
NOUN
reign of a family or lineage
Synonyms
STRONGEST
regime reign rule
STRONG
ascendancy empire era period
WEAK
administration government

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.