*insinuative*

a. [ Cf. F. insinuatif. ] [ 1913 Webster ]

1. Stealing on or into the confidence or affections; having power to gain favor. “Crafty, insinuative, plausible men.” Bp. Reynolds. [ 1913 Webster ]

2. Using insinuations; giving hints; insinuating; as, insinuative remark. [ 1913 Webster ]