We don't have synonyms for thalesian yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are halesia, talesman and thalassian.
(adj) :
Of or relating to Thales of Miletus (c.624–c.546 BC), pre-Socratic Ancient Greek philosopher who attempted to explain natural phenomena without reference to mythology, and who applied geometry to mathematical problems.
(adj) :
Of or relating to Thales of Miletus (c.624–c.546 BC), pre-Socratic Ancient Greek philosopher who attempted to explain natural phenomena without reference to mythology, and who applied geometry to mathematical problems.