Bottom on

Unversed in financial projects and calculations and budgets, his approbation of them was bottomed on his confidence in the man. But Hamilton was not only a monarchist, but for a monarchy bottomed on corruption.

Commutative justice relates to the exchange of one thing for another, and is bottomed on the principle of something for something, or as the lawyers say, quid pro quo.

Karen Stimson, director of Largesse, a group that fights sizism, weighed in with this comment to The A.P.: "Being fat has always meant being downwardly mobile, especially for women. Society discriminates against people of size." The phrase is bottomed on people of color, an 18th-century term for "nonwhites" enjoying new popularity among those not pigmentally deprived.