Last solution

Across: 6 Retreat; 7 Lobby; 9 Feign; 10 Pacific; 12 Investigate;

14 Photography; 18 Disused; 19 Angle; 21 State; 22 Deserve. Down: 1 Level; 2 Origin; 3 Way; 4 Boring; 5 Obviate; 8 Partial;

11 Deigned; 13 Thrifty; 15 Trusty; 16 Hinder; 17 Slave; 20 Pew.