G4136
πληροφορία
assurance
πληροφορία, -ας, ἡ (πληροφορέω), full assurance, confidence: 1Th.1:5; τ. συνέσεως, Col.2:2; τ. ἐλπίδος, Heb.6:11; πίστεως, Heb.10:22 (cf. Lft. on Col., l.with; M, Th., 9).† (AS)
The KJV translates G4136 in the following manner:
assurance (8x)
Full Thayer's lexicon entry
πληροφορία — plērophoría
πληροθορια, πληροθοριας, ἡ (πληροθορέω, which see), fullness, abundance; πίστεως, Heb 10:22; τῆς ἐλπίδος, Heb 6:11; τῆς συνέσεως, Col 2:2; full assurance, most certain confidence (see πληροθορέω, c. (others give it the same meaning in one or other of the preceding passages also; cf. Lightfoot on Colossians, the passage cited)), 1Th 1:5. (Not found elsewhere except in ecclesiastical writings (cf. Winer's Grammar, 25).)
4 occurrences
Colossians (1), I Thessalonians (1), Hebrews (2)