Looking for synonyms for the word "boosts"? Here are some options: increases, elevates, enhances, improves, raises, uplifts, augments, amplifies, strengthens, magnifies, advances, promotes, propels, energizes, revitalizes, stimulates, invigorates, accelerates, heightens, bolsters. Each of these words carries a slightly different connotation, so consider the context of your sentence when selecting the best synonym for your needs. Whether you're discussing a boost to morale, a boost in sales, or a boost to your immune system, there's sure to be a synonym on this list that fits the bill.