Misspelling of maintenance.

plural of maintainability

Obsolete spelling of maintain

The quality of being maintainable.

maintenance

(business) The difference between net sales and cost of goods sold, often expressed as the ratio maintained markup percent.

Alternative form of keep up appearances

(archaic) third-person singular simple present indicative form of maintain

plural of maintainor

(law) One who, not being an interested party, maintains a cause depending between others, by furnishing money, etc., to either party.