Webster's Revised Unabridged Dictionary · 1913

Reticence

Reticence , noun

[Latin reticentia: compare French réticence.]

1.
The quality or state of being reticent, or keeping silence; the state of holding one's tonque; refraining to speak of that which is suggested; uncommunicativeness.
Such fine reserve and noble reticence. — Tennyson
2.
(Rhetoric) A figure by which a person really speaks of a thing while he makes a show as if he would say nothingon the subject.