I have initialed the clipping in question, Mr. Wilcox, and ask you to do the same.
Even his name was initialed on the outside of the briefcase.
All six shells remained in my possession until I initialed them.
Dr. Willoughby initialed the passport, and offered his hand.
No, sir; I did not, other than to note that I had read it and initialed it.
Yes, sir; but I believe I initialed the hulls or the envelope that I put them in.
He initialed the check without examining it and laid down a gorgeous tip with a careless flip of the finger.
Would you have initialed the outside or the inside of the hull?
I have initialed Exhibit No. 3006 and would like to have you do the same, if you would.
We initialed the property, that is, we went over it—this list here.
"to mark or sign with initials," 1864, American English, from initial (n.). Related: Initialed; initialing.
"initial letter of a name or surname," 1620s, from initial (adj.) in a specialized sense "standing at the beginning of a word, sentence, etc."