lasting — continuing or enduring a long time; permanent; durable: a lasting friendship.
lengthy — having or being of great length; very long: a lengthy journey.
long-lived — having a long life, existence, or duration: a long-lived man; long-lived fame.
long — having considerable linear extent in space: a long distance; a long handle.
adequate — If something is adequate, there is enough of it or it is good enough to be used or accepted.
courteous — Someone who is courteous is polite and respectful to other people.
high — having a great or considerable extent or reach upward or vertically; lofty; tall: a high wall.
kind — of a good or benevolent nature or disposition, as a person: a kind and loving person.
large — of more than average size, quantity, degree, etc.; exceeding that which is common to a kind or class; big; great: a large house; a large number; in large measure; to a large extent.
polite — showing good manners toward others, as in behavior, speech, etc.; courteous; civil: a polite reply.
sufficient — adequate for the purpose; enough: sufficient proof; sufficient protection.
tall — having a relatively great height; of more than average stature: a tall woman; tall grass.
thick — having relatively great extent from one surface or side to the opposite; not thin: a thick slice.
unabridged — not abridged or shortened, as a book.