| COLLABORATOR | • collaborator n. A person who works with others towards a common goal. • collaborator n. A person who cooperates traitorously with an enemy. • COLLABORATOR n. one who collaborates. |
| COMMEMORATOR | • commemorator n. A person who commemorates something. • COMMEMORATOR n. one who commemorates. |
| COMMISERATOR | • commiserator n. One who commiserates or pities. • COMMISERATOR n. one who commiserates. |
| CONCENTRATOR | • concentrator n. One who concentrates. • concentrator n. (Telecommunications) A hub. • concentrator n. (Mining) An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air. |
| CONFIGURATOR | • configurator n. (Computing) A small software application intended to assist in the configuration of a particular part of the system. • CONFIGURATOR n. an item of software that enables or assists in the configuration of a product. |
| CORROBORATOR | • corroborator n. One who corroborates, or verifies something; one who lends credence by upholding another’s story. • CORROBORATOR n. one who corroborates. |
| DEMONSTRATOR | • demonstrator n. One who demonstrates anything, or proves beyond doubt. • demonstrator n. The forefinger. • demonstrator n. One who takes part in a demonstration; a protester. |
| EQUILIBRATOR | • equilibrator n. (Rare) A device that maintains equilibrium or balance, especially a part of a heavy gun (e.g. an artillery… • EQUILIBRATOR n. one who equilibrates. |
| EXPECTORATOR | • expectorator n. One who spits. • EXPECTORATOR n. one who expectorates. |
| INCARCERATOR | • incarcerator n. A person who incarcerates. • INCARCERATOR n. one who incarcerates. |
| INCORPORATOR | • incorporator n. One who, or that which, incorporates. • INCORPORATOR n. one who incorporates. |
| ORCHESTRATOR | • orchestrator n. One who orchestrates. • ORCHESTRATOR n. one who orchestrates, also ORCHESTRATER. |
| PERSEVERATOR | • perseverator n. One who perseverates. • PERSEVERATOR n. one who perseverates. |
| REFRIGERATOR | • refrigerator n. A household appliance used for keeping food fresh by refrigeration (short form fridge). • refrigerator n. A similar device used to keep non-food items cold, such as blood, photographic film, drugs, or pharmaceuticals… • refrigerator n. One who has a chilling influence. |
| REMONSTRATOR | • remonstrator n. One who remonstrates. • REMONSTRATOR n. one who remonstrates. |
| REVERBERATOR | • reverberator n. Agent noun of reverberate; one who reverberates. • REVERBERATOR n. something that reverberates. |
| SEQUESTRATOR | • sequestrator n. One who sequesters. • SEQUESTRATOR n. one who sequestrates. |