This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To observe (a day or event) with ceremonies of respect, festivity, or rejoicing. See Synonyms at observe.

v. To perform (a religious ceremony): celebrate Mass.

v. To extol or praise: a sonnet that celebrates love.

v. To make widely known; display: "a determination on the author's part to celebrate . . . the offenses of another” ( William H. Pritchard).

verb-intransitive. To observe an occasion with appropriate ceremony or festivity.

verb-intransitive. To perform a religious ceremony.

verb-intransitive. To engage in festivities: went out and celebrated after the victory.

v. To extol or honour in a solemn manner.

v. To honour by rites, by ceremonies of joy and respect, or by refraining from ordinary business; to observe duly; to keep.

v. To engage in joyful activity in appreciation of an event.

v. To perform or participate in, as a sacrament or solemn rite; to solemnize; to perform with appropriate rites.

v. To extol or honor in a solemn manner.

v. To honor by solemn rites, by ceremonies of joy and respect, or by refraining from ordinary business; to observe duly; to keep.

v. To perform or participate in, as a sacrament or solemn rite; to solemnize; to perform with appropriate rites.

To make known, especially with honor or praise; extol; glorify.

To commemorate or honor with demonstrations of joy, sorrow, respect, etc.: as, to celebrate a birthday or other anniversary; to celebrate a victory.

To perform solemnly or with appropriate rites and ceremonies: as to celebrate mass; to celebrate a marriage or a public funeral.

To laud, magnify, glorify.2, 3. Keep, Observe, Solemnize, Celebrate, Commemorate. Keep is an idiomatic word for observe: as, to keep the Sabbath; to keep Lent or feast-days. To observe is to pay regard to, in a reverent and especially a religious way. (See observance.) We speak of observing the Sabbath, of observing the wishes of one's father. To solemnize is to celebrate religiously. To celebrate is to mark, distinguish, or perform with joy and honor: as, to celebrate an anniversary; to celebrate a marriage. To commemorate is to keep in memory public and solemn acts: as, to commemorate the resurrection by observing Easter.

v. have a celebration

v. behave as expected during of holidays or rites

v. assign great social importance to

"The same sentiment goes for Erin Brown's choice of the word "celebrate.""

celebrated    celebrates    celebrating   

honour    honor    observe    abide by    respect   

observe    praise   

celebrity    celebrator    celebrated    celebratory    celebrant    celebration   

solemnize    mark    mourn    commemorate    solemnise   

honor    distinguish    commemorate    keep    solemnize    jubilate    jubilize    triumph    fete   

carry-about    rubber-faced    reveal    quick-change    big-name    current-day    force-on-force    egghead    on-the-spot    most-stolen