To hint; to suggest tacitly (usually something bad) while avoiding a direct statement.
To creep, wind, or flow into; to enter gently, slowly, or imperceptibly, as into crevices.
To ingratiate; to obtain access to or introduce something by subtle, cunning or artful means.
To imply or intend to convey with one's words; used to correct or clarify one's previous utterance, or to seek such clarification.