substituting

Verb

substitute (third-person singular simple present substitutes, present participle substituting, simple past and past participle substituted)

1. (transitive) To use in place of something else, with the same function.
   • I had no shallots so I substituted onion.
2. (transitive) To use X in place of Y.
   • I had to substitute new parts for the old ones.
3. (transitive, formerly proscribed, often in the phrase "substitute X with/by Y", sometimes "substitute X for Y") To use Y in place of X; to replace X with Y.
   • I had to substitute old parts with the new ones.

   Synonyms:

   exchange

4. (transitive) To remove (a player) from the field of play and bring on another in his place.
   • He was playing poorly and was substituted after twenty minutes
5. (intransitive) To serve as a replacement (for someone or something).
   • Accumulation of wealth by this route may substitute for personal saving.1987, James Tobin, Essays in Economics, Vol. 2, page 75

See all 9 meanings of substitute