reach a destination; arrive by movement or progress; "She arrived home at 7 o'clock"; "She didn't get to Chicago until after midnight"
succeed in a big way; get to the top; "After he published his book, he had arrived"; "I don't know whether I can make it in science!"; "You will go far, my boy!"
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"