いかにして

Composed of いかに (how, in what way) + して (te-form of する). A literary and formal alternative to どうやって or どのようにして. Very common in book titles, academic writing, and journalistic prose. Rarely used in casual conversation.

Common patterns

• いかにして〜するか: how to do ~
• いかにして〜したのか: how ~ was done
• いかにして〜すべきか: how one should ~

Register

Written and formal. In everyday speech, どうやって or どのようにして are used instead.

Similar words

• どうやって: how; by what means — the everyday spoken equivalent
• どのようにして: in what way; how — formal but less literary than いかにして
• いかに: how; how much — the base form, also used as an intensifier meaning "how very"