2 important, worthy, of consequence, of distinction, distinguished, illustrious, noteworthy, notable, remarkable, estimable, influential, respectable:
Some of the most considerable citizens were banished.
Advanced English Dictionary
+adjective (formal) great in amount, size, importance, etc: The project wasted a considerable amount of time and money. + Damage to the building was considerable. + Considerable progress has been made in finding a cure for the disease.
Random quote: Every person, all the events of your life are there because you have drawn them there. What you choose to do with them is up to you.: Richard Bach