We don't have synonyms for aquacise yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are aquatile, aquarist and equalise.
(n) :
A type of physical exercise practiced in water mostly vertically and without swimming, typically in a swimming pool in waist deep or deeper water.
(n) :
A type of physical exercise practiced in water mostly vertically and without swimming, typically in a swimming pool in waist deep or deeper water.