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

needed, necessary

need, necessity

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

war (conflict involving organized use of arms)

to wage war

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)

unnecessary