The term "substrative" is used to describe a type of relationship in which one thing takes away from another. Antonyms for "substrative" are words that describe relationships in which one thing adds to or enhances another. Examples of such antonyms include additive, positive, contributive, and constructive. In certain contexts, words such as supportive, cooperative, and cooperative can also serve as antonyms for substrative. Whether positive or negative, the relationship between two things is an essential consideration in many areas of study, ranging from economics to linguistics. By examining the antonyms for substrative, we can gain a deeper understanding of the many types of relationships that exist between different phenomena.