| OBSERVATION | • observation n. The act of observing, and the fact of being observed (see observance). • observation n. The act of noting and recording some event; or the record of such noting. • observation n. A remark or comment. |
| RESERVATION | • reservation n. The act of reserving, withholding or keeping back. • reservation n. Something that is withheld or kept back. • reservation n. (Often in the plural) A limiting qualification regarding certainty; a doubt. |
| CONSERVATION | • conservation n. The act of preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation. • conservation n. Wise use of natural resources. • conservation n. (Biology) The discipline concerned with protection of biodiversity, the environment, and natural resources. |
| OBSERVATIONS | • observations n. Plural of observation. • OBSERVATION n. an act or instance of observing a custom, rule, or law. |
| PRESERVATION | • preservation n. The act of preserving; care to preserve; act of keeping from destruction, decay or any ill. • preservation n. The state of being preserved, how something has survived. • PRESERVATION n. the act of preserving. |
| RESERVATIONS | • reservations n. Plural of reservation. • RESERVATION n. somehting reserved, a booking. |
| CONSERVATIONS | • conservations n. Plural of conservation. • CONSERVATION n. a careful preservation and protection of something. |
| INOBSERVATION | • inobservation n. Neglect or want of observation. • INOBSERVATION n. lack of observation. |
| OBSERVATIONAL | • observational adj. Relating to observation, especially scientific observation. • OBSERVATIONAL adj. related to observation. |
| PRESERVATIONS | • preservations n. Plural of preservation. • PRESERVATION n. the act of preserving. |
| CONSERVATIONAL | • conservational adj. Of or pertaining to conservation. • conservational adj. Conversational. • CONSERVATIONAL adj. relating to conservation. |
| INOBSERVATIONS | • INOBSERVATION n. lack of observation. |
| RESERVATIONIST | • reservationist n. A person whose job is to take reservations. • RESERVATIONIST n. one who makes a reservation. |
| CONSERVATIONIST | • conservationist n. A person who maintains natural areas or protects threatened species. • conservationist n. Someone who advocates for these actions. • CONSERVATIONIST n. a person who advocates conservation esp. of natural resources. |
| NONCONSERVATION | • nonconservation n. A failure to conserve. • nonconservation n. (Physics) A failure to abide by a conservation law. • NONCONSERVATION n. not conservation. |
| OBSERVATIONALLY | • observationally adv. In an observational way. • OBSERVATIONAL adv. related to observation. |
| PRESERVATIONIST | • preservationist n. A person who advocates for the preservation of natural or man-made landmarks. • PRESERVATIONIST n. one who advocates preservation (as of a biological species or a historical landmark). |
| RESERVATIONISTS | • reservationists n. Plural of reservationist. • RESERVATIONIST n. one who makes a reservation. |