WordNet sense 1 (great in vertical dimension; high in stature):

tall

WordNet sense 2 (not sound financially):

unsound

WordNet sense 3 (good at remembering):

retentive, tenacious, recollective

WordNet sense 4 (planning prudently for the future):

farseeing, farsighted, foresighted, foresightful, longsighted, prospicient

WordNet sense 5 (providing carefully for the future):

provident

WordNet sense 6 (desire strongly or persistently):

hanker, yearn

WordNet sense 7 (somewhat long):

longish

WordNet sense 8 (existing for a long time):

lasting

WordNet sense 9 (relatively long in duration; tediously protracted):

extended, lengthy, prolonged, protracted

WordNet sense 10 (having an elongated seating area):

stretch

WordNet sense 11 (being of a considerable distance or length):

far

WordNet sense 12 (drawn out or made longer spatially):

elongated

WordNet sense 13 (having notably more length than width; being long and slender):

elongate

WordNet sense 14 (present in great quantity):

abundant