底定

底定	dǐ dìng	(literary) to quell an insurgency / (Tw) to settle (a matter)
底	de	(equivalent to 的 as possessive particle)
底	dǐ	bottom; base / background; foundation / copy (of a manuscript or receipt etc) kept as a record / (suffix) end of a year or month / (math.) radix; base (abbr. for 底数)
定	dìng	to fix; to set; to make definite / to subscribe to (a newspaper etc); to book (tickets etc); to order (goods etc) / to congeal; to coagulate / (literary) definitely