indicate to

indicate (something) to (someone)

To signal, show, or otherwise disclose something to someone. Stu hasn't indicated interest in the house to me—has he talked to any of the other realtors? Kelly indicated her excitement for dessert to me with a big grin and an emphatic nod.
See also: indicate, to
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

indicate something to someone

to signify something to someone. (By speech, writing, or some other sign.) Karen indicated her agreement to the lawyer. Fred indicated his assent to me.
See also: indicate, to
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in classic literature ?
Well then, since words cannot explain the matter, I will try deeds, and will move gradually out of Lineland in the direction which I desire to indicate to you.
Kennedy had only to indicate to him the obstacles to be surmounted, and the Victoria sped through the air, skimming the summits of the range.
The indicating agent may be applied in differing concentrations to two or more zones so as to indicate to a user of the article how much of the odor absorbing capacity has been used, or conversely, how much of the odor absorbing capacity remains.
Thyne: "To ascertain whether a specified standard has been reached; To select a given number of candidates; To test the efficiency of the teaching; To indicate to the student how he (sic) is progressing; To evaluate each candidate's particular merit; and To predict each candidate's subsequent performance."(2)