Webster's Revised Unabridged Dictionary · 1913

Insinuative

Insinuative , adjective

[Compare French insinuatif.]

1.
Stealing on or into the confidence or affections; having power to gain favor.
Crafty, insinuative, plausible men. — Bp. Reynolds
2.
Using insinuations; giving hints; insinuating; as, insinuative remark.