Filled (eplērōsen). The very verb used of the filling by the Holy Spirit (Act 4:31). Satan the adversary is the father of lies (Joh 8:44). He had entered into Judas (Luk 22:3; Joh 13:27) and now he has filled the heart of Ananias with a lie.
To lie to the Holy Spirit (pseusasthai se to pneuma to hagion). Infinitive (aorist middle) of purpose with accusative of general reference (se) and the accusative of the person (object) as often in Greek writers, though here only in the N.T. with this verb. Usual dative of the person in Act 5:4(anthrōpois, men, tōi theōi, God). The Holy Spirit had been given them to guide them into truth (Joh 15:13).