祝う

celebrate
We celebrate certain ages for example, there is a ceremony when we turn 20 and become an adult.
We also celebrate, when a person turn 60 or 70 years old.
certain age:ある年齢
I don't celebrate as often as people do.
Nobody comes here as often as he does.
as often as: 多くは、何回も　※頻繁にfrequently, quite often
We celebrate anniversary/memorial day/birthday/year/day/life.
25th anniversary/30 years of marriage/Mother's day
We celebrate the life of him.