1. Full of or characterized by animation, vigor, or courage: a spirited debate. 2. Having a specified mood or nature. Used in combination: high-spirited; low-spirited.
One product of photosynthesis is glucose (sugar), which provides the basis for most food chains. The second product of photosynthesis is oxygen which comes in handy if your happen to be an aerobic organism that requires oxygen for survival.
Products Carbon Dioxide, Water, Light. Photosynthesis' reactants and products are just the switched version of cellular respiration, and vice versa. By 'light' for cellular respiration, I'm assuming it just means energy.