think / meditate / consider / expect / reflect / prepare / make up one's mind / imagine / contrive

appropriate, adequate, proper

appropriacy, adequacy, propriety

measures / disposal

take measures / dispose of

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

(informal) no problem

unthinkable, out of the question

practical question (problem)

matter of life or death / (idiomatic) an extremely urgent matter