| POSTULATED | Assumed (something) as the basis for reasoning |
| POSTULATE | An assumption made as a basis for reasoning (9) |
| LOGIC | Lots of girls in class using heads for reasoning |
| POSIT | Suggest something, or assume it as the basis for an argument |
| BEVERIDGE | William ---, British economist whose 1942 report served as the basis for the post World War II welfare state (9) |
| ROMA | Tomato cultivar commonly used for canning and as the basis for Italian sauces |
| OPINIONPOLLS | Assessments of public opinion by questioning a representative sample, especially as the basis for forecasting the results of voting (7,5) |
| CASHEWNUT | Seed consumed as a snack, sometimes used as the basis for a korma sauce (6,3) |
| INAGROVE | Short story by Ryunosuke Akutagawa used by Akira Kurosawa as the basis for the characters and plot of his movie Rashomon |
| CURD | Coagulated substance formed from milk by the action of acid or rennet, used as the basis for cheese (4) |
| TNT | Explosive used as the basis for a 'megaton' |
| HEARTOFDARKNESS | Novella that served as the basis for "Apocalypse Now" |
| UNDERLIE | Serve as the basis for |
| TEXT | Short biblical passage used as the basis for a sermon (4) |
| FOOTHOLD | Small area captured and held as the basis for subsequent advance (8) |
| ROUX | Mixture of fat and flour, used as the basis for sauces (4) |
| HATFIELDHOUSE | Mansion used as the basis for Lara Croft's home in Tomb Raider films and video games |
| BATTER | Flour, egg and milk mixture used as the basis of Yorkshire puddings, pancakes, crepes, toad-in-the-hole and coating for fish fillets (6) |
| ESPRESSO | Coffee served in shots or used as the basis of cappuccino; or, the method/machine for making this (8) |
| MATERIAL | Substance from which something is made; cloth, fabric or textile; jokes, songs etc comprising a performer's act; or, the facts, ideas, notes etc collected as the basis of a book (8) |
