| Iowa college since 1851 |
| Critically acclaimed crime drama since 2008: 2 wds. |
| Flattered sincerely? |
| Airline since 1948 |
| Insincerely eloquent |
| Like the conjunction "since |
| Name in cosmetics since 1931 |
| Insincerely reluctant to make a decision |
| Insincere agreement |
| Dog of films since 1974 |
| Sincerely |
| Sincerely zealous |
| He sincerely flatters |
| Insincere lament |
| Sincerely" sisters |
| Hotel chain since 1952 |
| Cabinet department since 1913 |
| Airer of the children's news program "Newsround" since 1972 |
| Corn syrup brand since 1902 |
| Secret grp. since 1947 |
| ''Lost Horizon'' director, 1937 |
| Fox drama since May, 2009 |
| Alternative to "Sincerely yours |
| Performed sincerely |
| Animal that's been a Japanese Natural Monument since 1931 |
| National capital since 1923 |
| Civil Rights gp. since 1909 |
| Relief provider since 1916 |
| FBI facility since 1932 |
| Where "giraffes are insincere," in a Simon & Garfunkel hit |