(historical) King's highway, highway, main road / (figuratively) royal road to something, best way towards achieving some goal

leak (hole in the hull of a boat which admits water)

via media, third way (approach or solution which strives for an alternative to or middle ground between two opposing viewpoints)

(rail transport) stabling siding / (figuratively) dead end (position that offers no hope of progress)

in the process of

(transitive with à) (figuratively) to pave the way for, to blaze the trail for

to find one's path in life

traffic lane, taxiway

(law) violence / (Canada, Quebec) assault, battery

right course of law