speculate russian

• спекули́ровать

  speculate, profiteer, profit

• бары́шничать

  profiteer, job, speculate

• порассужда́ть

  to reason a bit

  to speculate for a while

• спекули́ровавший

  speculating, who speculated, having speculated

• футуроло́г

  futurologist; futures researcher

  (informal) futurist; someone who speculates about the future