A policy of complete transparency would make it impossible for people to speak frankly for fear that their words would become public.

There are courtiers who claim to have heard him speak frankly.

The underlying principle was to encourage parties to speak frankly and thus to promote settlement.

While you can't reassure them, you can speak frankly, discussing their anxieties, what you know to be true and what remains uncertain.

He regarded public service as a high calling, and his sense of vocation emboldened him always to speak frankly to ministers, no matter how unpalatable his views.