insinuating

1. Provoking gradual doubt or suspicion; suggestive: insinuating remarks.
2. Artfully contrived to gain favor or confidence; ingratiating.

adjective

1. Provoking a change of outlook and especially gradual doubt and suspicion: insinuative, insinuatory, suggestive. See suggest.
2. Purposefully contrived to gain favor: ingratiating, ingratiatory, saccharine, sugary. See pain/pleasure.