|Origin:||proclamer, from Latin proclamare, from clamare 'to cry out'|
pro‧claim [transitive] formal
to say publicly or officially that something important is true or exists [↪ proclamation]:
The President proclaimed the republic's independence.
Protesters proclaimed that the girl was innocent.
proclaim somebody something
His son was immediately proclaimed king.
to show something clearly or be a sign of something:
The stripes on her uniform proclaimed her seniority.