The phrase "actively weigh" is correct and usable in written English.
It can be used when discussing the process of considering or evaluating options or factors in a deliberate and engaged manner.
Example: "Before making a decision, it is important to actively weigh the pros and cons of each option."
Alternatives: "carefully consider" or "thoughtfully evaluate".
There were several reports this month, based on former and current aides, that Mitt Romney is actively weighing another presidential run.
On Wednesday, Secretary of State Hillary Rodham Clinton warned that Iran's leaders were actively weighing whether to develop a nuclear weapon.
The Wall Street Journal reported Friday that Romney had told donors he's actively weighing another run for president.
On Sunday, former George W. Bush speechwriter Michael Gerson said that New Jersey Governor Chris Christie was "actively" weighing the option of jumping into the Republican presidential race amid voter discontent with the current field.
Examination of individual decision-making processes showed that the sons actively weighed their perceived risks and benefits of HPV vaccination.
UNICEF Mali is now actively weighing how to engage businesses, in broad terms, more effectively and strategically.
It means seeking feedback, actively listening and weighing the consequences of any decision before pulling the trigger.
Maust, the geriatric psychiatrist, recommends that doctors actively focus on "the big picture" and carefully weigh whether the benefits of a drug outweigh its risks.
One guidepost I've found useful -- if either one of you is actively hostile to having children, I believe that should weigh more heavily in the balance of the decision.
That kind of constant trivialization can weigh on someone, and Mark said his height actively contributed to battles with depression he faced over the years.
