keenly, tactfully
tactfully, with tact
Он сде́лал своё замеча́ние очень тактично.
He made his suggestion very tactfully.
Он деликатно объяснил ей её ошибку
He tactfully explained her mistake to her.
Он ответил очень политично, никого не обидев.
He answered very tactfully without offending anyone.
Это было известие, преподнесённое очень аккуратно.
It was news that had been delivered very tactfully.