The phrase "authority effectively" is correct and usable in written English.
It can be used when discussing the manner in which authority is exercised or implemented in a particular context.
Example: "The manager was able to lead the team by exercising authority effectively, ensuring that everyone understood their roles."
Alternatives: "powerfully" or "competently".
Secondly, that forehand could now be taken down the line with authority, effectively doubling the target area that Stosur can hit in to.
They argued that the president's inherent wartime authority effectively legalized torture short of that which would cause massive organ failure, impairment of bodily function or death.
But Mr. Kerry, the Democratic nominee, extended his attack on President Bush's prosecution of the war, saying he had not used the Congressional authority effectively.
By contrast, one local authority effectively pushed smaller local providers out of tenders by ruling out partnership bids and requiring a minimum turnover.
But the unity accord between Hamas and Fatah, the party of President Mahmoud Abbas of the Palestinian Authority, effectively killed the plans to try to push through an American proposal, one administration official said.
Tenants and landlords would be able to use a council's website to register their interest and find a match, with the local authority effectively acting as a letting agent.
The GDR authorities effectively covered their tracks.
The authorities effectively told him they were doing it for his own good.
Mr. Chávez recently signaled that he might move to handpick new regional authorities, effectively depleting the power of opponents elected by voters.
A subsequent higher bid by AXA and AMP's rival National Australia Bank, one of the largest banks in the country, was quashed earlier this year by the Australian competition authorities, effectively putting AXA Asia-Pacific back into play.
Multiple non-disclosure agreements (NDAs) revealed in Florida, New York and Maryland this week show federal authorities effectively binding local law enforcement from disclosing any information – even to judges – about the cellphone dragnet technology, its collection capabilities or its existence.
