'''Celticism''' may refer to: *A word or linguistic property adapted from a Celtic language {{crossref|(cf. Anglicism, Germanism)}} **List of English words of Celtic origin **List of English words of Scottish Gaelic origin **Irish words used in the English language **List of English words of Irish origin **List of English words of Welsh origin **Hiberno-English **Kiltartanese *Political pan-Celticism *The ideology of Lega Nord which culturally identifies with the Celtic people *The romanticist Celtic Revival *Celts (modern), a modern Celtic identity that has emerged in Western Europe since the 18th century *Celtism also known as Celtic neopaganism *Celticisation, the historic process of conquering and assimilating by the ancient Celts {{disambig}}