16. An apparatus comprising: at least one processor; and at least one computer-readable storage medium accessible by the at least one processor and having encoded thereon processor-executable instructions that, when executed by the at least one processor, cause the at least one processor to carry out a method, the method comprising: performing a speech recognition process on a first speech input to determine whether at least a portion of the first speech input potentially matches any of a plurality of voice commands; and when it is determined, based on the speech recognition process, that the at least a portion of the first speech input potentially matches at least a first voice command and a second voice command of the plurality of voice commands, attempting to identify a synonym for at least one word of the first voice command, and when the synonym is identified, prompting a user to provide a second speech input including the synonym if the user intended to invoke the first voice command by speaking the first speech input.
16. An apparatus comprising: at least one processor; and at least one computer-readable storage medium accessible by the at least one processor and having encoded thereon processor-executable instructions that, when executed by the at least one processor, cause the at least one processor to carry out a method, the method comprising: performing a speech recognition process on a first speech input to determine whether at least a portion of the first speech input potentially matches any of a plurality of voice commands; and when it is determined, based on the speech recognition process, that the at least a portion of the first speech input potentially matches at least a first voice command and a second voice command of the plurality of voice commands, attempting to identify a synonym for at least one word of the first voice command, and when the synonym is identified, prompting a user to provide a second speech input including the synonym if the user intended to invoke the first voice command by speaking the first speech input. 19. The apparatus of claim 16 , wherein attempting to identify the synonym comprises identifying the synonym, and wherein prompting the user when the synonym is identified comprises prompting the user with to provide the second speech input including the synonym if the user intended to invoke the first voice command.