estimate verb
ADV. currently | accurately, reliably | provisionally | conservatively It is conservatively estimated that not less than half a million people died in the famine. | officially, unofficially The strike was officially estimated to have cost $80 million.
VERB + ESTIMATE be difficult to, be hard to, be impossible to | be used to The results of the survey were used to estimate the preferences of the population at large.
PREP. at We estimated the cost at £50,000.