Trepidaciously wasn't in Merriam Webster's but I Googled it and there it was, so I didn't make it up. I daresay they'll add it to the dictionary before long.

I picture Bill as looking like Will except with loud shirts (a viva_gloria idea) and a more tolerant view of piracy. Hard not to be influenced by virgo79's wonderful version of the character, too. Glad you liked him here.

You are certainly welcome to commandeer the icon! I love that one, too, though I don't use it that often.