Synonyms of the word 
MAINTAINED → PRESERVED - RETAINED - WELL-KEPT
maintained
- adj. showing maintenance or attention.
- v. simple past tense and past participle of maintain.
preserved
- v. simple past tense and past participle of preserve.
retained
- v. simple past tense and past participle of retain.
well-kept
- adj. neat, tidy, kept in good condition.
- adj. (of a secret) not told to anyone.
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