There is no response to "Céad míle fáilte", it's only used in writing (on signs etc.) or when giving speechs or welcoming large groups of people who are not expected to reply.
Go raibh míle maith agat
Ireland, the land of a thousand welcomes.
"kaid meel-aa fall-cha"
"CÉAD MÍLE FÁILTE" means "100,000 Welcomes".
In Irish: Céad Míle Fáilte (one L) For the record, the Scottish version is Ceud Mìle Fàilte.
Probably 'Céad míle fáilte', Irish for 'one hundred thousand welcomes'.
"Céad míle fáilte" means "a hundred thousand welcomes" and it is still used as a common greeting in Ireland. So yes, it does still apply.
In Irish "cead" means "permission" If you mean "céad", it is "hundred".
Cead means 'permission'; Céad mean 'a hundred' also 'first'.
Cead.
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It's céad míle fáilte and it's Irish. It means welcome. The literal meaning is one hundred (céad) thousand (míle) welcomes (fáilte).