To engage oneself or take part in something.
To enter a competition.
To have an interest in or approve of something.
To take upon oneself; to start, to embark on (a specific task etc.).
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.
The passing of slower traffic on the curbside rather than on the side closest to oncoming traffic.