Which part of the brain is best described as responsible for piecing together sensory input to form meaningful perceptions of the world? ?

The association areas are the parts of the brain responsible for piecing together sensory input to form meaningful perceptions of the world. 
The cerebral cortex is divided into sensory, motor and association areas. Sensory areas receive sensory input, motor areas control movement of muscles. Association areas are involved with more complex functions such as learning, decision making and complex movements such as writing. 

Search on internet it may you