Fully
From BiblePortal Wikipedia
King James Dictionary [1]
FUL'LY, adv.
1. Completely entirely without lack or defect in a manner to give satisfaction to the extent desired as, to be fully persuaded of the truth of a proposition. 2. Completely perfectly. Things partially known in this life will be hereafter fully disclosed.
Vine's Expository Dictionary of NT Words [2]
Webster's Dictionary [3]
(adv.) In a full manner or degree; completely; entirely; without lack or defect; adequately; satisfactorily; as, to be fully persuaded of the truth of a proposition.