Well, Precised AI since back in the 1950’s, The Father of the AI field MinSky and McCarthy.Described that

Artificial Intelligence as any task performed by a Program or machine ,If a Human carried out the task,We would say that can accomplish the task.

Artificial Intelligence can demonstrate the some of the behaviours will associated with Human Intelligence like

Reasoning,Emotions,Thinking,Knowledge Representation,

Source: Artificial Intelligence on Medium