SOLUTION

ACROSS: 7 Travel; 8 Barter; 10 Mariner; 11 Naive; 12 Note; 13 Inter; 17 Tepid; 18 Whet; 22 Title; 23 Attempt; 24 Grieve; 25 Recent.

DOWN: 1 Stamina; 2 Narrate; 3 Meant; 4 Painter; 5 Attic; 6 Order; 9 Principal; 14 Deceive; 15 Whimper; 16 Statute; 19 Stage; 20 Strip; 21 Strew.