maintain

maintain is a Verb

Definition:

[1] 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.

[2] To keep possession of; to hold and defend; not to surrender or relinquish. God values . . . every one as he maintains his post. Grew.

[3] To continue; not to suffer to cease or fail. Maintain talk with the duke. Shak.

[4] To bear the expense of; to support; to keep up; to supply with what is needed. Glad, by his labor, to maintain his life. Stirling. What maintains one vice would bring up two children. Franklin.

[5] To affirm; to support or defend by argument. It is hard to maintain the truth, but much harder to be maintained by it. South.