Simple past tense and past participle of officialise.(verb)
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Use "officialised" in a sentence
"It also looks at the evidence of the time in a non-religious way, collating information from *all* different sources, not just the bible which was 'officialised' centuries after the 'real people' had been and gone."
"On the other hand the organisation of Britain for war has "officialised" a number of industrial leaders, and created"
"You may not have officialised this in your head but the fact remains there are now complications that have subverted the friendship."