Synonyms of 'adulthood'
maturityDictionary, manhood or womanhood, majority
Few people maintain friendships into adulthood.
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Majority is the state of legally being an adult. In Britain and most states in the United States, people reach their majority at the age of eighteen.
Once you reach your majority, you can do what you please.
Thesaurus for adulthood from the Collins English Thesaurus
Adulthood is the state of being an adult .