Constructive is an adjective that describes something that is beneficial or productive. ORIGINATIVE (11 letters) means to create something new or original. CONSTITUTIVE (12 letters) means to form or establish something. EFFECTIVE (9 letters) means to produce a desired result. SHAPING (7 letters) means to give something a particular form. FRUITFUL (8 letters) means to be productive or successful. DESIGNING (9 letters) means to plan or create something. HELPFUL (7 letters) means to provide assistance. All of these words are related to the term constructive, as they all describe something that is productive and beneficial.