to examine (a thing) carefully in order to learn something about it

examine and determine

to mediate (the usual word)

think deeply about

to look at at, think about, (oneself, ideas etc)

think about seriously; plan

to act, speak, in a dominating manner

oppress; assume authority

to behave badly towards (a person); use, handle, (a machine, object) badly

treat badly or wrongly

a plan, idea etc that cannot happen or be successful

think about deeply and theorize

to think, consider, form opinions (without having complete knowledge); to buy and sell goods, shares etc with the hope of profit from changes in their market value

think about deeply and theorize

to conquer (people)

overpower, defeat