1: An exceptionally attractive person may be met aboard (9)
2: Cavities from wrong practices (7)
3: Level called for salary increase (5)
4: Hearty policeman plugs frozen treats (3,6)
5: Without regard, seed and water plants (7)
6: Shredded chad, he decrees, is one ingredient (7,6)
7: Ideas educate to reveal that things have relaxed.(5)
9: Princesses's attendant, yawning, laid it out (4-2-7)
14: Moving haltingly, stopping short of the end (about a foot), by sundown (9)
16: Me in a green tent's ultimate in harmony (9)
18: Increase a nutmeg's nuttiness? (7)
20: Fools around near hellholes (7)
21: Reptile eventually climbing a hill (5)