Word Study
lemmatize
CIDE DICTIONARY
lemmatize, v. t.
To convert into a lemma{2}; to normalize the form of (a word) to that form used as the headword in a dictionary, glossary, or index; as, “ride” is the lemmatized form for “riding” and “ridden”. [PJC]
For further exploring for "lemmatize" in Webster Dictionary Online
