Synonyms of lagoon
lakeA lake is a large area of fresh water, surrounded by land.
• They can go fishing in the lake.
pondA pond is a small area of water that is smaller than a lake. Ponds are often made artificially.
• youths skating on the frozen village pond
pooltarnsmall lakefish pondduck pondmillpondlochan (Scottish)dew pond
poolA pool is a fairly small area of still water.
• Beautiful gardens filled with pools and fountains.
Thesaurus for lagoon from the Collins English Thesaurus