We don't have synonyms for modelsim yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are models, modeldom and modsim.
(N) :
a multi-language environment by Siemens (previously developed by Mentor Graphics,) for simulation of hardware description languages such as VHDL, Verilog and SystemC, and includes a built-in C debugger.
(N) :
a multi-language environment by Siemens (previously developed by Mentor Graphics,) for simulation of hardware description languages such as VHDL, Verilog and SystemC, and includes a built-in C debugger.