How do I solve 8 down in Times Cryptic 29550?

Question

Accepted Answer

8 down reads "Receive me, mostly exercising ability to forget inconvenient things" (9,6 letters); the answer is SELECTIVE MEMORY. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Receive me, mostly exercising ability to forget inconvenient things (9,6)

8D — Receive me, mostly exercising ability to forget inconvenient things (9,6) — SELECTIVE MEMORY