From Longman Dictionary of Contemporary Englisha goodly number/sum/amount etca goodly number/sum/amount etcold-fashionedLOT/LARGE NUMBER OR AMOUNT a large amount £1,500 is still a goodly sum. → goodly
Examples from the Corpus
a goodly number/sum/amount etc• Small Dave had spent a goodly amount of time impressing upon him the importance of finding a camel.• The Thatcher Years have been splendid ones for a goodly number of golf members throughout this Royal and Ancient land of ours.• It seems fair to assume that she will attract the attention of a goodly number of our countrymen. 