Speedy crossword No. 1,467

Across 1 Asian religion/philosophy (8) 5 Colleague (informal) (4) 9 Contributor, giver (5) 10 Rubbing out (7) 11 Better than all others (6,2,4) 13 Small party snack (6) 14 Garden hedge (6) 17 Unemotional and practical (6,2,4) 20 Attempt to deceive (3,2,2) 21 Invigorating sea air (5) 22 Learning by habitual repetition (4) 23 Dead (8) Down 1 Portend (4) 2 Underground prison cell (7) 3 Cornucopia (4,2,6) 4 Stable, balanced (6) 6 Greek god of the Underworld (5) 7 Dish of beaten eggs (8) 8 Task done for pleasure, not reward (6,2,4) 12 Curved sword (8) 15 Blank, expressionless (7) 16 Take it easy (6) 18 Lovers’ rendezvous (5) 19 Vulgar and smutty (4)