And “so” suggested a kind of thinking that appealed to problem-solving types: conversation as a logical, unidirectional process, proceeding much in the way of software code — if this, then that.
This logical tinge to “so” has followed it out of software. Starting a sentence with “so” uses the whiff of logic to relay authority. Where “well” vacillates, “so” declaims.
It declaims. That’s the reason Seamus Heaney chose it as the translation for the opening word of Beowulf:
Conventional renderings of hwæt, the first word of the poem, tend towards the archaic literary, with ‘lo’, ‘hark’, ‘behold’, ‘attend’ and — more colloquially — ‘listen’ being some of the solutions offered previously. But in Hiberno-English Scullion-speak, the particle ‘so’ came naturally to the rescue, because in that idiom ‘so’ operates as an expression that obliterates all previous discourse and narrative, and at the same time functions as an exclamation calling for immediate attention.
Listen for yourself: