Strong's #2903: kratistos (pronounced krat'-is-tos)
superlative of a derivative of 2904; strongest, i.e. (in dignity) very honorable:--most excellent (noble).
Thayer's Greek Lexicon:
́
kratistos
1) mightiest, strongest, noblest, most illustrious, best, most excellent
1a) used in addressing men of prominent rank or office
Part of Speech: adjective
Relation: superlative of a derivative of G2904
Usage:
This word is used 4 times:
Luke 1:3: "to write unto thee in order, most excellent Theophilus,"
Acts 23:26: "Claudius Lysias unto the most excellent governor Felix sendeth greeting."
Acts 24:3: "always, and in all places, most noble Felix, with all thankfulness."
Acts 26:25: "he said, I am not mad, most noble Festus; but I speak forth"