| Scottish Enlightenment figure | 29 |
| Scot David | 10 |
| Proponent of "mitigated skepticism" | 45 |
| Philosopher David or newsman Brit | 33 |
| Philosopher David ___ | 21 |
| Leader of philosophical skepticism | 34 |
| Journalist Brit | 15 |
| He inspired Kant and Einstein | 29 |
| Fox News political commentator | 30 |
| Famed Scottish philosopher | 26 |
| Edinburgh-born philosopher | 26 |
| Cronyn in "Cocoon" | 28 |
| Big name in skepticism | 22 |
| A Treatise of Human Nature author | 36 |
| "Reason is ... the slave of the passions" writer | 58 |
| "Lost" character Desmond | 34 |
| "History of England" author David | 43 |
| "Essays Moral and Political" philosopher | 50 |
| "Dialogues Concerning Natural Religion" author | 56 |
| "An Enquiry Concerning the Principles of Morals" writer | 65 |
| "An Enquiry Concerning the Principles of Morals" philosopher | 70 |
| "An Enquiry Concerning Human Understanding" essayist | 62 |
| "An Enquiry Concerning Human Understanding" author | 60 |
| "A Treatise on Human Nature" philosopher | 50 |
| "A Treatise of Human Nature" writer | 45 |
| "A Treatise of Human Nature" author | 45 |
| Arm bone | 8 |
| Armbone | 7 |
| Shoulder-to-elbow bone | 22 |
| Rotator-cuff neighbor | 21 |
| Funny-sounding bone | 19 |
| Bone of the upper arm | 21 |
| Soupy | 5 |
| Like greenhouse air | 19 |
| Vaporous | 8 |
| Like some weather | 17 |
| Like a greenhouse | 17 |
| Hot and sticky | 14 |
| Sticky in summer | 16 |
| Raising a sweat, perhaps | 24 |
| Like rain forest air | 20 |
| Tropical, in a way | 18 |
| Summery forecast | 16 |
| Sticky, weatherwise | 19 |
| Sticky, in summer | 17 |
| Sticky out | 10 |
| Quite moist | 11 |
| Opposite of dry | 15 |
| One of the three HÂ’s | 24 |
| Noticeably moist | 16 |
| Like tropical summers | 21 |
| Like Tampa weather | 18 |
| Like St. Louis in August | 24 |
| Like muggy weather | 18 |
| Like mid-August weather | 23 |
| Like Florida, often | 19 |
| Like August weather, perhaps | 28 |
| Like a snowy day | 16 |
| Like a muggy day | 16 |
| Hot partner? | 12 |
| Damp, climate-wise | 18 |
| Damp and hot | 12 |
| August forecast word | 20 |
| "Three H's" component | 35 |
| Jeep alternative | 16 |
| Former GM brand | 15 |
| Pumpkins song about a vehicle? | 30 |
| One at a loss for words? | 24 |
| G.M. brand discontinued in 2010 | 31 |
| Civilian SUV modeled on a military vehicle | 42 |
| "... in my uncle's ___ ..." | 41 |
| Group that's called a charm | 31 |
| Flower holder that carries a tune? | 34 |
| Frame of mind | 13 |
| Drollery | 8 |
| Temperament | 11 |
| Sitcom material | 15 |
| Thurber forte | 13 |
| Slapstick's genre | 21 |
| It's good for a laugh | 25 |
| Comical quality | 15 |
| Comedy | 6 |
| What this is all about | 22 |
| Subject for the Mark Twain Prize | 32 |
| Jokes and such | 14 |
| Jocosity | 8 |
| It's a funny thing | 22 |
| Comedy club serving | 19 |
| Bookstore aisle, perhaps | 24 |
| Will Rogers's forte | 23 |
| What some fail to see | 21 |
| Twain's forte | 17 |
| Twain forte | 11 |
| Thurber's forte | 19 |
| Sense sorely lacking in some people | 35 |
| Risible sense | 13 |
| Quality of novelty songs | 24 |
| Mark Twain forte | 16 |
| Levity | 6 |
| Funnyman's forte | 20 |