1 A rational motive (6)
4 Familial heritage (8)
10 Accuses (9)
11 A round wooden rod (5)
12 Strong feeling of anxiety (5)
13 Poured through a funnel (9)
14 One of New York's baseball teams (7)
16 A Great Lake (4)
19 Barge (4)
21 Lend honor to (7)
24 Knight (9)
25 Dismay (5)
26 Latin for "Earth" (5)
27 Hexagonal cells (9)
28 A hotel for travellers (8)
29 Different ones (6)
Down
1 Train companies (8)
2 Evident (8)
3 Female organ (5)
5 The central theme (7)
6 Ransoming (9)
7 JFK's assassin (6)
8 Tune (6)
9 Work periods (6)
15 Exonerate (9)
17 Refute (8)
18 Course of study (8)
20 A conjunction that introduces 2 alternatives (7)
21 Submerges (6)
22 Malt whiskey (6)
23 Terminates before completion (6)
25 Until now (2 words) (5)