YESTERDAY’S SIMPLE SOLUTION

Across: 1 Peace; 4 Affable; 8 Retreat; 9 Erect; 10 Earn; 11 Minister; 13 Show; 14 Clue; 16 Ceramics; 17 Gain; 20 Learn; 21 Umbrage; 22 Respect; 23 Treat. Down: 1 Perpendicular; 2 Astir; 3 Even; 4 Attain; 5 Flexible; 6 Breathe; 7 Entertainment; 12 Commence; 13 Spreads; 15 Acquit; 18 Amaze; 19 Abet.