Verb
To hold or keep in any particular state or condition; to support; to sustain; to uphold; to keep up; not to suffer to fail or decline; as, to maintain a certain degree of heat in a furnace; to maintain a fence or a railroad; to maintain the digestive process or powers of the stomach; to maintain the fertility of soil; to maintain present reputation.
To keep possession of; to hold and defend; not to surrender or relinquish.
To continue; not to suffer to cease or fail.
To bear the expense of; to support; to keep up; to supply with what is needed.
To affirm; to support or defend by argument.
Source: Webster's dictionaryWe preserve these archeological findings Source: Internet
The old lady could not keep up the building Source: Internet
children must be taught to conserve our national heritage Source: Internet
The museum curator conserved the ancient manuscripts Source: Internet
He maintained his innocence Source: Internet
wield power and authority Source: Internet