Escorted us here first day (7)
I believe the answer is:
ushered
'escorted' is the definition.
(I've seen this before)
'us here first day' is the wordplay.
'first day' becomes 'd' (1st letter of 'day').
'us'+'here'+'d'='USHERED'
(Other definitions for ushered that I've seen before include "Escorted" , "Showed to a seat" , "Led" , "Showed people to seats as in cinemas or theatre" , "Conducted" .)