There are numerous synonyms for the word "support" that can vary depending on the context and situation. Some of the most commonly used synonyms for support include assist, uphold, back, aid, back up, bolster, buttress, encourage, foster, strengthen, sustain and underpin. Additionally, other synonyms can include endorse, advocate, champion, defender, ally, benefactor and sponsor. Whether it is providing financial assistance for a charity event, helping a friend with a project, or standing up for a political cause, understanding the variety of synonyms for support can help in conveying the desired meaning or message in different situations.