stop to think

:  to close by filling or obstructing

:  to hinder or prevent the passage of

:  to get in the way of :  be wounded or killed by

:  cessation, end

:  a pause or breaking off in speech

:  a graduated set of organ pipes of similar design and tone quality

:  serving to stop :  designed to stop

:  to form or have in the mind

:  to have as an intention

:  to have as an opinion

:  an act of thinking

:  relating to, requiring, or stimulating thinking