1: Greek characters suggest dawn (3)
3: Vagrant going over a little river to a foreign country (5)
5: The most artless nearly tack on undershirt (7)
7: Dressing of malt and beans to make horse tender (9)
9: Tutus can serve to conceal Donatello, Leonardo, Michelangelo, and Raphael, say (7)
10: Just conservative (5)
11: I am reported to leer (3)