to produce understood, specially with honor or praise; extol; glorify.
To commemorate or honor with demonstrations of happiness, sadness, value, etc.: as, to celebrate a birthday or other anniversary; to commemorate a victory.
To perform solemnly or with appropriate rites and ceremonies: regarding celebrate size; to commemorate a wedding or a public funeral.
To laud, magnify, glorify.2, 3. Keep, Observe, Solemnize, Enjoy, Commemorate. Keep is an idiomatic word for observe: because, to keep the Sabbath; to keep Lent or feast-days. To see is pay regard to, in a reverent and especially a religious way. (See observance.) We discuss about it watching the Sabbath, of watching the wishes of one's dad. To solemnize would be to celebrate religiously. To commemorate is to mark, differentiate, or perform with delight and honor: because, to celebrate an anniversary; to celebrate a wedding. To commemorate will be retain in memory general public and solemn functions: since, to commemorate the resurrection by observing Easter.