F# is a ML familt language so it should go well with the "ocaml" recommendation. Another vote for Common Lisp here. You can do functional programming but you c

F# is a ML familt language so it should go well with the "ocaml" recommendation. Another vote for Common Lisp here. You can do functional programming but you can also "step outside" and do OOP, imperative (and other paradigms) if you need.