maintain

US /meɪnˈteɪn/
UK /meɪnˈteɪn/
"maintain" picture
1.

to keep something in good condition by checking or repairing it regularly

:
•
It's important to regularly maintain your car.
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The building has been well maintained over the years.
:
preservekeep upserviceconservesustain
2.

to cause something to continue; to keep something at the same level or standard

:
•
She struggled to maintain a healthy weight.
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The company managed to maintain its market share.
:
preservesustainupholdkeepcontinue
3.

to state something strongly to be true

:
•
He continues to maintain his innocence.
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She maintained that she had never seen him before.
:
assertallegecontenddeclareinsist