The term 'IDEA'S BEGINNING' can be summarized by two crossword solutions: SEED and GERM. SEED is a noun that refers to the fertilized grain or ripened ovule of a plant, containing an embryo ready for germination. GERM is a noun that refers to a microorganism, such as a bacterium, virus, or fungus, that can cause disease. Both SEED and GERM are used to describe the beginning of an idea, as they both represent the start of something new.