Strong's #195: akribeia (pronounced ak-ree'-bi-ah)
from the same as 196; exactness:--perfect manner.
Thayer's Greek Lexicon:
̓́
akribeia
1) exactness, exactest care: in accordance with the strictness of the Mosaic law
Part of Speech: noun feminine
Relation: from the same as G196
Usage:
This word is used 1 times:
Acts 22:3: "of Gamaliel, and taught according to the perfect manner of the law of the fathers, and was"