принципиально(о возможности; в нек. случаях будет уместно перевести прилагательным: On Sunday, White House Press Secretary Jen Psaki said Biden agreed "in principle" to a meeting with Putin sometime after US Secretary of State Antony Blinken and Russian Foreign Minister Sergei Lavrov meet on Thursday — as long as Russia does not further invade Ukraine. – ...выразил "принципиальное" согласие на...)