set a great deal by (someone or something)

set a great deal by (someone or something)

obsolete To have very high regard for someone or something; to value someone or something very highly. Students who set a great deal by a strict work ethic are sure to find success in all they set out to accomplish. I've always set a great deal by people who are willing to forsake an easy profit in the name of their principles.
See also: by, deal, great, set