(n): any entity that produces an effect or is responsible for events or results
(n): a representative who acts on behalf of other persons or organizations
(n): a person who represents others
(n): a substance that exerts some force or effect
(n): any entity that produces an effect or is responsible for events or results
(n): a particular kind or species of matter with uniform properties
(n): a businessman who buys or sells for another in exchange for a commission
(n): a capitalist who engages in industrial commercial enterprise
(n): any agent or representative of a federal agency or bureau
(n): a worker who holds or is invested with an office
(n): the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause
(n): (linguistics) the underlying relation that a constituent has with the main verb in a clause
