valuable

The wood is very hard, and several species are valuable timber trees.

They used to entrust letters and valuable packages to the drivers of stage-coaches or to the captains of coasting-vessels.

The book bears out the assertions of its title, and is a valuable contribution to the geography and ethnography of Persia.

It is one of the oldest, and, beyond any doubt, the most valuable of the ancient books of Ireland.

Thus an active and interested spirit of loyalty is brought about that is one of the most valuable assets of the plant.

He soon demonstrates how valuable he is to the firm by detecting the bookkeeper in a bold attempt to rob his employers.

I have a very moderate respect for "opinions of the press," but the private opinions of intelligent people may be valuable to me.

Meanwhile, what Vasari says is valuable only as a witness to the fame of Niccola Pisano.

Having accomplished these valuable aims, he, with great skill and daring, effected a safe retreat to the south-western frontier.

Then, valuable as dialogue is, it may be redundant, and make a play "flabby."