festive 词根fest- (节日；祝宴)，后缀-ive，（...的）adj. 节日的,喜庆的,欢乐的festive 英[ˈfestɪv] 美[ˈfestɪv]1.Festive paper decorations had been hung from the ceiling.喜庆的彩纸已经挂在天花板上。

2.We all wore festive costumes to the ball.我们都穿著节日的盛装前去参加舞会。

3. Christmas is often called the festive season.圣诞节常被称做节日季节。

4. The atmosphere is really festive and friendly.气氛真是欢乐而友好。

5. The city is in a festive / holiday mood.全城处在一片节日气氛中。

festive节日的(fest+ive)festivity喜庆(feative+ity)festoon 张灯结彩(fest+oon表名词，所以是后缀