to be reckoned with

“It is here viewed from the moral standpoint, that is, in so far as it is a factor to be reckoned with in pronouncing upon the freedom of human acts, as well as offering an adequate excuse for failing to comply with positive law, particularly if the law be of human origin.”

The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI

“In the early months of 2007, the militant imam of the Red Mosque, Abdul Rashid Ghazi, was suddenly a force to be reckoned with in Pakistani politics, as his students were staging a series of violent protests.”

Simon & Schuster: The Longest War

“I had tried one small new thingshifting my knees forward on the downswingand by some Villa dEstian magic, I was now a force to be reckoned with from the bunker.”

Simon & Schuster: The Italian Summer

“The main Mu ` tazilite figures such as Naẓẓām and ` Allāf were powerful logicians and dialecticians to be reckoned with in the history of Islamic theology.”

Dictionary of the History of Ideas

“Slavs of Austro-Hungary, and they are now approaching such a position of material well-being and intellectual development as to be reckoned with as one of the factors of Catholic life in the United States.”

The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI

“From the nature and purpose of the Jubilee legislation, it is also evident that the Jubilee Year is to be reckoned with in itself absolutely, and not in relation to the length of time, or duration, of each particular event or contract.”

The Catholic Encyclopedia, Volume 8: Infamy-Lapparent

“But another major chivalric Order who were a force to be reckoned with in the south of France were the more famous Knights Templar-and they, too, gave special homage to the Baptist.”

Simon & Schuster: The Templar Revelation

“These new facts and the new or re-vivified theories based upon them, remained to be reckoned with after the first storm of denunciation had passed by, and the meeting at Sion House in 1867 showed that some at least of the English clergy besides Colenso and Stanley wished to understand the real meaning of the new movement.”

The Life and Letters of Thomas Henry Huxley

“And that special legislation was needed against the Latins, and the express mention of what is to be done with their churches, tends to show that even in the strongest Servian days they were numerous enough to have to be reckoned with as a danger.”

High Albania