| AVIGATOR | • avigator n. An aerial navigator. • AVIGATOR n. one who navigates aircraft. |
| ALLIGATOR | • alligator n. Either of two species of large amphibious reptile, Alligator mississippiensis or Alligator sinensis… • alligator n. (Paleontology) A member of the family Alligatoridae, which includes the caimans. • alligator n. (Nigeria) dwarf crocodile (Osteolaemus tetraspis). |
| FUMIGATOR | • fumigator n. One who fumigates. • fumigator n. An apparatus for fumigating. • FUMIGATOR n. one who fumigates. |
| IRRIGATOR | • irrigator n. One who, or that which, irrigates. • irrigator n. A device for cleansing a wound with water. • IRRIGATOR n. one who irrigates. |
| LEVIGATOR | • levigator n. A person or tool that levigates. • LEVIGATOR n. one who levigates. |
| LITIGATOR | • litigator n. A person employed to litigate, a lawyer skilled in arguing in court. • LITIGATOR n. one who litigates. |
| MITIGATOR | • mitigator n. Someone or something that mitigates. • MITIGATOR n. one who mitigates. |
| NAVIGATOR | • navigator n. A person who navigates, especially an officer with that responsibility on a ship or an aircrew member… • navigator n. A sea explorer. • navigator n. A device that navigates an aircraft, automobile or missile. |
| OBLIGATOR | • obligator n. (Law) One who establishes an obligation under law. • OBLIGATOR n. one who obligates. |
| CASTIGATOR | • castigator n. One who castigates. • CASTIGATOR n. one who castigates or corrects. |
| FUSTIGATOR | • fustigator n. A person who fustigates. • FUSTIGATOR n. one who fustigates, beats with a club. |
| INSTIGATOR | • instigator n. A person who intentionally instigates, incites, or starts something, especially one that creates trouble. • INSTIGATOR n. one who instigates. |
| INVESTIGATOR | • investigator n. One who investigates. • INVESTIGATOR n. one who investigates. |
| ASTRONAVIGATOR | • astronavigator n. One who performs astronavigation; an astronaut or space pilot. • ASTRONAVIGATOR n. one who practises astronavigation. |
| COINVESTIGATOR | • coinvestigator n. One who takes part in a joint investigation. • COINVESTIGATOR n. a joint investigator. |
| CIRCUMNAVIGATOR | • circumnavigator n. A person who circumnavigates, that is, sails around the world. • CIRCUMNAVIGATOR n. one who circumnavigates. |