That which one is morally or legally obligated to do.
The state of being at work and responsible for or doing a particular task.
A tax placed on imports or exports; a tariff.
The efficiency of an engine, especially a steam pumping engine, as measured by work done by a certain quantity of fuel; usually, the number of pounds of water lifted one foot by one bushel of coal (94 lbs. old standard), or by 1 cwt. (112 lbs., England, or 100 lbs., United States).
A legal document giving official permission to do something; a permit.
The legal terms under which a person is allowed to use a product, especially software.
Freedom to deviate deliberately from normally applicable rules or practices (especially in behaviour or speech).
Excessive freedom; lack of due restraint.
To give permission or freedom to; accept.
To authorize officially.
To acquire authorization to use, usually in exchange for compensation.
To permit (as grammatically correct).
To give formal authorization to use.