Merriam-Webster

Of sufficient quality : meeting an applicable standard

Additionally…

Also can mean a shrewd or sharp person.

Merriam-Webster

A groom in livery.

Additionally…

In novels, you may read a tiger as the servant who rides in the back of a curricle and takes the reins after his master exits.

Merriam-Webster

The feeding, stabling, and care of horses for pay : livery stable : a concern offering vehicles (as boats) for rent

Merriam-Webster

The distinctive clothing or badge formerly worn by the retainers of a person of rank : a servant’s uniform : distinctive dress : garb : an identifying design (as on a vehicle) that designates ownership