This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A lowland area, such as a marsh or swamp, that is saturated with moisture, especially when regarded as the natural habitat of wildlife: a program to preserve our state's wetlands.

n. Land that is covered mostly with water, with occasional marshy and soggy areas.

n. a low area where the land is saturated with water

"If threatened or endangered species are present, the wetland is classified as an exceptional value wetland and warrants a 150-foot transition area from the wetland to the closest activity."

land    ground    soil   

marshland    fenland    swampland    peat bog    marsh    fen    bog    swamp   

shrubby    riparian    semi-open    grassland    thermo-    autogenic    wetlands    rainforest    spaceholm    inadmissibility