FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

megaleios μεγαλεῖος — meg-al-i'-os — from 3173; magnificent, i.e. (neuter, plural as noun) a conspicuous favor, or (subjectively) perfection:--great things, wonderful works.

see GREEK for 3173