Synonyms for Gormandize:

n.

gormandize (noun)
gorge, overeat, ingurgitate, glut, satiate, gourmandize, overindulge, overgorge, gormandise, englut, binge, scarf out, engorge, pig out, stuff.

v.

gorge (verb)
overindulge, pig out, overeat, stuff, binge, glut.

Other synonyms:

pig out
scarf out.