nicely

mukavasti, ystävällisesti puhekieltä fastidiously Fastidiously; carefully. (defdate)
1590, (w), The Faerie Queene, III.xii:

He lookt askew with his mistrustfull eyes, / And nicely trode, as thornes lay in his way, / Or that the flore to shrinke he did auyse ....

An army – especially in peace time – is a very complex and nicely adjusted affair ….

Henry's carefully calibrated public appearances would present him as the wellspring of honour, justice and power, the unknowable, all-seeing sovereign who, as the Milanese ambassador Soncino nicely observed, appeared in public ‘like one at the top of a tower looking on at what is passing in the plain’.