1) Downplay 2) Inform 3) Make small or insignificant 4) Minimize 5) Understate 1) Downplay 2) Mince 3) Minimize 4) Trivialise 5) Trivialize 6) Understate 
To reduce to the smallest part or proportion possible. Expressed as a number, degree or extent. ... To reduce to the smallest possible, to reduce to a minimum. ... Origin: Minimized; Minimizimg. ... (22 Sep 2002) ...