transfer; "The spy sent the classified information off to Russia"
to cause or order to be taken, directed, or transmitted to another place; "He had sent the dispatches downtown to the proper people and had slept"
cause to go somewhere; "The explosion sent the car flying in the air"; "She sent her children to camp"; "He directed all his energies into his dissertation"
an estimation that is too low; an estimate that is less than the true or actual value
make too low an estimate of; "he underestimated the work that went into the renovation"; "Don't underestimate the danger of such a raft trip on this river"