Sentence:  Indeed , as already noted , the Court proceeded on the assumption that the executives involved in the dealings between du Pont and General Motors <WSD>acted</WSD> `` honorably and fairly '' and exercised their business judgment only to serve what they deemed the best interests of their own companies . 
Meaning of the word marked with <WSD> tags:  behave in a certain manner; show a certain behavior; conduct or comport oneself