JMdict: 1565940

おごる 【おごる】

1. [v5r,vt] to treat (someone) to (something); to give (someone) a treat; to buy (someone a meal, drink, etc.)
2. [v5r,vi] to be extravagant; to live in luxury

Words often seen with this one: (experimental feature)

今度 (26), お礼 (21), 私 (20), 俺 (18), ラーメン (16), あたし (14), ジュース (13), なんか (13), 約束 (11), いい (10)