simplex (natural, free, unembarrassed): modestus (modest, retiring; opposed to immodestus, superbus): demissus (humble, plain; opposed to acer, acerbus): probus (contented; opposed to improbus). (The words are found in this connection and order) probus et modestus; probus et demissus. Unassuming behavior, modestia (opposed to immodestia, superbia).