"said vigorously" is correct and usable in written English.
It can be used to describe someone speaking with a lot of energy or passion. Example: "She said it so vigorously, it was impossible not to take her seriously."
"No puppet," Trump said vigorously.
"There's nothing like it," Mr. Grappone said, vigorously chewing his gum as he counted out the bills for a $158 sale.
The case was closely watched in legal circles, as Ms. Stewart presented herself as a martyr for lawyers who, she said, vigorously defended terrorism suspects in the post-9/11 era.
Said vigorously discussed and debated the cultural subjects comprised by Orientalism, especially as applied to history and area studies; nonetheless, some mainstream academics disagreed with the theory, most notably Bernard Lewis.
"In-your-face sexuality," the Principessa said, nodding vigorously.
A spokesman for Palestinian president, Mahmoud Abbas, said he "vigorously condemned" the Israeli ground offensive.
A spokesman for Johnson & Johnson, Marc Monseau, said, "We vigorously deny the allegations and will defend ourselves against them in court".
"The department remains committed," she said, "to vigorously investigating and prosecuting the purveyors and distributors of child pornography".
Mr. Treviño, in the joint statement, said: "I vigorously affirm that nothing unethical was done and I have been open with The Guardian in this matter.
In a statement, Medtronic said it vigorously disputed any suggestion that its employees had improperly influenced or written any of the medical journal reports.
Her husband, Jack Dromey, who also worked for the NCCL, has also said he vigorously opposed the PIE's presence in the civil liberties organisation.
