To justify oneself to (someone). (usually with have to)
To respond to (a name); to treat as one's own name.
To be accountable or responsible to; to account to; to report to.
To commit oneself (to an obligation, activity etc.).
To pass a slower moving vehicle on the curbside rather than on the side closest to oncoming traffic.
To take upon oneself; to start, to embark on (a specific task etc.).
The passing of slower traffic on the curbside rather than on the side closest to oncoming traffic.