emphasize; corroborate; do to an extreme degree, n'aggumiza nti, and he emphasized that. Ekifaananyi kyandinnyambye okuggumiza amazima gange. The picture would help me corroborate the truth of my statement. Yazinye n'okuggumiza n'aggumiza. She danced and danced. cf. -ggumivu, omuggumiro.