Dance

1. 仔细考虑;认真思考
If you think something over, you consider it carefully before making a decision.

1. reflect deeply on a subject

e.g. I mulled over the events of the afternoon
philosophers have speculated on the question of God for thousands of years
The scientist must stop to observe and start to excogitate

Synonym: chew overmeditateponderexcogitatecontemplatemusereflectmullmull overruminatespeculate