---

All answers having "Achieved" as clue:

3 Character Answers:

---

DID

GOT

MET

WON



4 Character Answers:

---

DONE



5 Character Answers:

---

DIDST



6 Character Answers:

---

EARNED

GOTTEN



7 Character Answers:

---

REACHED



8 Character Answers:

---

ATTAINED