The crossword solution for the term PRODUCT BRAINSTORM is 'IDEA'. Product Brainstorming is a creative process used to generate ideas and solutions for product development. It involves brainstorming with a team of people to come up with new ideas and concepts that can be used to create a product. The goal of product brainstorming is to generate as many ideas as possible, without judging or evaluating them. This allows for a wide range of potential solutions to be explored.