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 (15), 俺 (14), 私 (12), お礼 (11), ジュース (10)