Answer: celebrates

AnswerCrossword Clue
CELEBRATESObserves
celebratesHonor or praise publicly
celebratesReach (a birthday or anniversary)
celebratesMark (a significant or happy day or event), typically with a social gathering
celebratesCELEBRATE, to mark by solemn ceremonies
celebratesPerform (a religious ceremony) publicly and duly, in particular officiate at (the Eucharist)
celebratesDo something enjoyable to mark such an occasion