"'tis the season" meaning in English

{
  "etymology_text": "From the popular Christmas song, Deck the Halls, written in 1862.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "'tis the season",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2001, David Kranes, The National Tree, page 278",
          "text": "Anyway, ‛tis the season, and apropos of that and this particular evening's events, here we are.",
          "type": "quotation"
        },
        {
          "ref": "2008, Lori L. Conrad, Missy Matthews, Cheryl Zimmerman, Put Thinking to the Test, page 6",
          "text": "Training kids to perform a series of academic stunts in sixty-minute time slots makes me cringe. But ‛tis the season, so let the testing begin.",
          "type": "quotation"
        },
        {
          "ref": "2012, Marcia Aldrich, Companion to an Untold Story, page 138",
          "text": "Dear Marcia, According to television advertising, ‛tis the season, so Merry Christmas!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Indicating that it is the time of year around Christmas, and that things associated with that time period are happening or likely to happen."
      ],
      "id": "en-'tis_the_season-en-phrase-53LckCa8",
      "links": [
        [
          "Christmas",
          "Christmas"
        ]
      ],
      "wikipedia": [
        "Deck the Halls"
      ]
    }
  ],
  "word": "'tis the season"
}

{
  "etymology_text": "From the popular Christmas song, Deck the Halls, written in 1862.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "'tis the season",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2001, David Kranes, The National Tree, page 278",
          "text": "Anyway, ‛tis the season, and apropos of that and this particular evening's events, here we are.",
          "type": "quotation"
        },
        {
          "ref": "2008, Lori L. Conrad, Missy Matthews, Cheryl Zimmerman, Put Thinking to the Test, page 6",
          "text": "Training kids to perform a series of academic stunts in sixty-minute time slots makes me cringe. But ‛tis the season, so let the testing begin.",
          "type": "quotation"
        },
        {
          "ref": "2012, Marcia Aldrich, Companion to an Untold Story, page 138",
          "text": "Dear Marcia, According to television advertising, ‛tis the season, so Merry Christmas!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Indicating that it is the time of year around Christmas, and that things associated with that time period are happening or likely to happen."
      ],
      "links": [
        [
          "Christmas",
          "Christmas"
        ]
      ],
      "wikipedia": [
        "Deck the Halls"
      ]
    }
  ],
  "word": "'tis the season"
}