The antonyms for the phrase "presents a false front" can be genuine, authentic, transparent, honest, truthful, sincere, open, frank, candid, and straightforward. When someone presents a false front, they are not being true to themselves, and they may be hiding their true feelings or intentions. However, if they show themselves as genuine and authentic, it means they are displaying their true selves to the world, without any pretensions or facades. It is important to be transparent and sincere in one's dealings with others, as it helps to establish trust and build long-lasting relationships. In conclusion, presenting a false front is the opposite of being genuine and authentic, which are qualities that are highly valued in any human interaction.