›the act of using something new or different instead of something else, or the new thing that is used: the substitution of sth (for sth)The governmentplans to encourage the substitution of cheapgenericdrugs for expensive brand-name ones.Telecommuting is not a substitution for child care.
A certain je ne sais quoi: French words and phrases used in English
by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in