Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.


It fosters sentiments which have been the strength of Aryan society in all lands.

"We don't have much to do with the Fosters," said Mary Beck.

She felt suddenly, as she never had before, how pinched and poor the Fosters must be.

The officers had come at once, and there was a group of men outside the Fosters' house.

Main Street was not hard to find, neither seemed the Fosters.

It fosters in man traits and an attitude provocative of I know not what.

She was the Presbyterian parson's wife, and was working the Fosters for a charity.

The Fosters knew there was one way to get the ten hours, and only one.

When the Fosters were poor, they could have been trusted with untold candles.

The Fosters were trembling with grief, though it felt like joy.


Old English *fostrian "to supply with food, nourish, support," from fostor "food, nourishment, bringing up," from Proto-Germanic *fostrom, from root *foth-/*fod- (see food).

Meaning "to bring up a child with parental care" is from c.1200; that of "to encourage or help grow" is early 13c. of things; 1560s of feelings, ideas, etc. Old English also had the adjective meaning "in the same family but not related," in fostorfæder, etc. Related: Fostered; fostering.