In a safe manner; without risk; using caution above all else.
(RQ:Schuster Hepaticae V)
With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get(..)
In a secure manner; without the possibility of injury or harm resulting.
(quote-book)|chapter=15
(RQ:Orwell Animal Farm)
It had been agreed that they should all meet in the big barn as soon as Mr. Jones was safely out of the way.