Sentence:  Agriculture Department economists <WSD>estimate</WSD> the Government this year will hand farmers $ 1.4 billion in special subsidies and incentive payments , well above the record $ 1.1 billion of 1958 and about double the $ 639 million of 1960 . 
Meaning of the word marked with <WSD> tags:  judge tentatively or form an estimate of (quantities or time)