"reflective silence" is a correct and usable phrase in written English.
You can use it to describe a situation in which someone is deep in thought and not saying anything. For example, "After the heated argument, the two of them were engulfed in a reflective silence."
He drifted off into reflective silence.
In conversation, he sometimes trails off mid-sentence into a reflective silence.
After a reflective silence he said: "The forest has always been a place of transformation.
And just like in actual life, death is the ultimate spoiler, so if someone buys the farm, be it on The Good Wife or in a galaxy far, far away, respect their passing as you might at an actual funeral: by observing a period of reflective silence.
In his Proustian "Dream Recollections of Taoan," he evoked, in the random order in which they occurred to him, "the shimmer of serried lanterns in the night," the sounds of the zither, "the rancid smell of sacrificial meat, the reflective silence of a courtesan," and so on.
She fell into a brief, reflective silence and then added, "It is great, but it also shouldn't have to exist".
The new $1.5 million space in the Powell Building is predicated on the reflective pleasures of silence and wired for the chaotic business of sound.
Bley's music was never short of romance or drama, but those qualities generally came obliquely or in disguise, filtered through an extraordinary sensibility, at once refined and adventurous, the strategic use of silence indicating its reflective – although never passive – nature.
MINUSES -- The story's very strengths -- its bleak eloquence, the characters' uncomfortable silences and the reflective pace -- will not gratify audiences seeking light entertainment.
The water was still and reflective and there was almost total silence.
