the easy way
ACROSS
1 Reserved and modest ( 6) 4 Like better ( 6) 9 Supplement to a will ( 7) 10 Sudden uncontrollable fear ( 5) 11 i. e. ( 2, 3) 12 With everything included ( 3,4) 13 Agree things are now even ( 4,2, 5) 18 To free from blame ( 7) 20 Not functioning ( 5) 22 Area of indefinite extent ( 5) 23 Huge ( 7) 24 In good spirits ( 6) 25 Impassive ( 6)
DOWN
1 Duplicity ( 6) 2 Tiny gnatlike fly ( 5) 3 Performance of music ( 7) 5 Ward of f ( 5) 6 Discover ( 4, 3) 7 Grow less ( 6) 8 Defuse tension by discussion ( 5,3, 3) 14 In jeopardy ( 2, 5) 15 Dishevelled ( 7) 16 North European sea ( 6) 17 Be present at ( 6) 19 Subsequent ( 5) 21 Involving punishment ( 5)