Qualifier
Pronunciation : Qual"i*fi`er
Definition : Defn: , One who, or that which, qualifies; that which modifies, reduces, tempers or restrains.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder