Catkin, hope this helps and isn't too oblique:
2d - to know is WIS, "a" is PER
16a - last letter is E; setter is a dog
38a - worth looking up "GID"...
41a - simple anagram; answer begins S
35d - strip "for" and "baths" of their "clothing", leaving four letters (nice clue, I thought - actually, a lot of these were very good indeed)