Reckoned.
It is a synonym for "assume"
Very formidable. A force to be reckoned with.
Era - A period of time as reckoned from a specific date serving as the basis of its chronological system.
The root "rator" is not a common standalone term in English. However, it may be related to the Latin word "ratus" meaning "reckoned" or "approved." It could potentially be used as a base for words related to judgment, calculation, or approval.
thought or supposed
The likely word here is reckoned (deduced, considered).
Animal Atlas - 2004 Birds to be Reckoned With was released on: USA: 4 February 2011
Some two syllable words that rhyme with beckoned are reckoned and second.Some three syllable words that rhyme with beckoned are leap second, light second, split second, watt second.A four syllable word that rhymes with beckoned is bits per second.
She is an amazing person, and is a force to be reckoned with.
Beckoned, second
Biography - 1987 Mark Hamill A Force to be Reckoned With was released on: USA: 21 May 2002