be in charge of, act on, or dispose of; "I can deal with this crew of workers"; "This blender can't handle nuts"; "She managed her parents' affairs after they got too old"
carry out or perform an action; "John did the painting, the weeding, and he cleaned out the gutters"; "the skater executed a triple pirouette"; "she did a little dance"
give a performance (of something); "Horowitz is performing at Carnegie Hall tonight"; "We performed a popular Gilbert and Sullivan opera"
perform a function; "Who will perform the wedding?"
add by mixing or blending on or attaching; "work in the butter and the dough will get the right consistency"; "In his speech, the presidential candidate worked in a lot of learned words"
lengthen in time; cause to be or last longer; "We prolonged our stay"; "She extended her visit by another day"; "The meeting was drawn out until midnight"
lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work"
(psychology) the aggregate of the responses or reactions or movements made by an organism in any situation
the action or reaction of something (as a machine or substance) under specified circumstances; "the behavior of small particles can be studied in experiments"