1. in a punctilious manner; - Example: "he launched into a long history of the birth of communism, giving credit punctiliously to the work of Marx and Engels"
The Collaborative International Dictionary of English v.0.48:
Punctilious \Punc*til"ious\ (-y[u^]s), a. [Cf. It. puntiglioso,
Attentive to punctilio; very nice or exact in the forms of
behavior, etiquette, or mutual intercourse; precise; exact in
the smallest particulars. "A punctilious observance of divine
laws." --Rogers. "Very punctilious copies of any letters."
Punctilious in the simple and intelligible instances of
common life. --I. Taylor.
[1913 Webster] -- Punc*til"ious*ly, adv. --
WordNet (r) 3.0 (2006):
adv 1: in a punctilious manner; "he launched into a long history
of the birth of communism, giving credit punctiliously to
the work of Marx and Engels"