The 'conversation' group
These nouns refer to what someone or something is doing or experiencing. Conference, consultation, conversation, and negotiation are reciprocal nouns.
in action* in attendance in business* in conference (with ...) in consultation (with ...) in conversation (with ...)* in flight in motion* in negotiation (with ...)* in orbit* in overdrive* in production* in progress in pursuit (of ...) in quest of ... in receipt of ... in retreat* in revolt in search of ... in session in training* in the act of ... in the process of ...
On the cover of the brochure is a photograph of a cheetah in the act of slaughtering an antelope.
Eventually he found the two of them deep in conversation.
Design landmarks such as the Angle-poise lamp and the stackable plastic chair are still in production decades after their invention.
The two boys headed off in search of a pay phone.
The nouns marked with an asterisk (*) also have the pattern into N.
Essex police swung into action as soon as they received reports of masked youths wielding guns.