Characterised by shrewdness. Shrewd.
Late 16th century: from Latin argutus ‘made clear, proved, accused’
“His argute summary made it clear what the problem was.”
Itinerant (adj) (noun)
Travelling from place to place. / A person who travels from place to place.
Late 16th century (used to describe a judge travelling on a circuit): from late Latin itinerant- ‘travelling’, from the verb itinerari, from Latin iter, itiner- ‘journey, road’.