1. A method for assigning a gesture dictionary, the method comprising: receiving data representative of a user in a physical space; processing the received data to identify a first motion or pose by the user that invokes an input command to a computer; correlating the first motion or pose to a first gesture dictionary of a plurality of gesture dictionaries, each gesture dictionary of the plurality of gesture dictionaries comprising a set of input commands to the computer that may be invoked by motions or poses of the user reflected in the received data; and assigning the first gesture dictionary to the user, the first gesture dictionary corresponding to the first motion or pose; and processing additional captured data with the first gesture dictionary to identify whether a second motion or pose by the user in the additional captured data invokes an input command to the computer.