[syn: by chance, accidentally, circumstantially, unexpectedly]
The Collaborative International Dictionary of English v.0.48:
Circumstantially \Cir`cum*stan"tial*ly\, adv.
1. In respect to circumstances; not essentially;
Of the fancy and intellect, the powers are only
circumstantially different. --Glanvill.
2. In every circumstance or particular; minutely.
To set down somewhat circumstantially, not only the
events, but the manner of my trials. --Boyle.
WordNet (r) 3.0 (2006):
adv 1: according to circumstances; "he was convicted
2: insofar as the circumstances are concerned; "the account was
3: in minute detail; "our inability to see everything minutely
and clearly is due merely to the infirmity of our senses"
[syn: minutely, circumstantially]
4: without advance planning; "they met accidentally" [syn: by
chance, accidentally, circumstantially, unexpectedly]
[ant: advisedly, by choice, by design, deliberately,
designedly, intentionally, on purpose, purposely]