Strong's #6383: pil'iy (pronounced pil-ee')
or paliy1 {paw-lee'}; from 6381; remarkable:--secret, wonderful.
Brown-Driver-Briggs Hebrew Lexicon:
ּ / ּ
pil'ı̂y / pâlı̂y'
1) wonderful, incomprehensible, extraordinary
Part of Speech: adjective
Relation: from H6381
Usage:
This word is used 2 times:
Judges 13:18: "thou thus after my name, seeing it is secret?"
Psalms 139:6: "Such knowledge is too wonderful for me; it is high, I cannot"