This looks like a decent challenge for a QC - no unusual vocabulary (well, except for polled maybe) but not a breeze through either. No time here due to distractions but an enjoyable solve.
7. Owlet - wise young thing. Anagram (ordering) of TOWEL.
8. Parsnip - vegetable. Standard (PAR), bargain (SNIP).
10. Rooster - early bird. W(O)rms inside register (ROSTER).
11. Suite - set of matching furniture. Homophone (we hear) of sweet (delightful).
12. Spectator - witness. Anagram (suspect ) of PROTECTS A.
14. Foe - enemy. In the clue (arrested), backwards (retired) polic(E OF)ficer.
15. Ass - idiot. Like (AS), (S)impleton.
16. Whitebait - fish. Anagram (gathered) of A BIT WET I plus fis(H).
18. Cider - it's the drink. Anagram (drunk) of CRIED.
20. Seattle - US city. SETTLE around A.
22. Romance. (C)remona, (E)xonerated after Italian (ROMAN).
23. Cross. Double definition.
DOWN
1. Morris Dancer - traditional English performer. Anagram (version) of RECORDS MAIN plus sita(R).
2. Bloomers - double definition.
3. Stet - mark of a printer. Anagram (out) of TEST.
4. Spirit - double definition.
5. Preserve - keep. Quiet (P), book (RESERVE).
6. Anti - adversary. Soldier (ANT) with one (I).
9. Present Tense - in current form. Grant (PRESENT), anxious (TENSE).
13. Towering - mighty. Anagram (anyhow) of TIGER WON.
14. Fraction - a bit. (R) ough inside party (FACTION).
17. Issues - more than one edition. IS SUE'S.
19. Damn - oath. Homophone (they say) of dam (barrier).
21. Arch - curved structure. Tree L(ARCH) with the first letter cut off. Polled being clipped or sheared. Maybe also to do with pollarded vs coppiced as in trees (as learnt by me in Epping Forest).
7. Owlet - wise young thing. Anagram (ordering) of TOWEL.
8. Parsnip - vegetable. Standard (PAR), bargain (SNIP).
10. Rooster - early bird. W(O)rms inside register (ROSTER).
11. Suite - set of matching furniture. Homophone (we hear) of sweet (delightful).
12. Spectator - witness. Anagram (suspect ) of PROTECTS A.
14. Foe - enemy. In the clue (arrested), backwards (retired) polic(E OF)ficer.
15. Ass - idiot. Like (AS), (S)impleton.
16. Whitebait - fish. Anagram (gathered) of A BIT WET I plus fis(H).
18. Cider - it's the drink. Anagram (drunk) of CRIED.
20. Seattle - US city. SETTLE around A.
22. Romance. (C)remona, (E)xonerated after Italian (ROMAN).
23. Cross. Double definition.
DOWN
1. Morris Dancer - traditional English performer. Anagram (version) of RECORDS MAIN plus sita(R).
2. Bloomers - double definition.
3. Stet - mark of a printer. Anagram (out) of TEST.
4. Spirit - double definition.
5. Preserve - keep. Quiet (P), book (RESERVE).
6. Anti - adversary. Soldier (ANT) with one (I).
9. Present Tense - in current form. Grant (PRESENT), anxious (TENSE).
13. Towering - mighty. Anagram (anyhow) of TIGER WON.
14. Fraction - a bit. (R) ough inside party (FACTION).
17. Issues - more than one edition. IS SUE'S.
19. Damn - oath. Homophone (they say) of dam (barrier).
21. Arch - curved structure. Tree L(ARCH) with the first letter cut off. Polled being clipped or sheared. Maybe also to do with pollarded vs coppiced as in trees (as learnt by me in Epping Forest).