Adverb
in a rigorous manner
Source: WordNetFor the happiest life, days should be rigorously planned, nights left open to chance. Mignon McLaughlin
There are very few things that can be proved rigorously in condensed matter physics. Anthony James Leggett
What counts is not what sounds plausible, not what we would like to believe, not what one or two witnesses claim, but only what is supported by hard evidence rigorously and skeptically examined. Extraordinary claims require extraordinary evidence. Carl Sagan
It is not until science has become a discipline to which the research ability of any mind from any class in society can be attracted that it can become rigorously scientific. Margaret Mead
The scientist rigorously defends his right to be ignorant of almost everything except his specialty. Marshall McLuhan
If this work seems so threatening, this is because it isn't simply eccentric or strange, but competent, rigorously argued, and carrying conviction. Jacques Derrida