Readings & Meanings:
to visit, to call on
I visited my grandfather's house for the first time in a while.
Next week on Tuesday, the homeroom teacher is going to call on his pupils' homes.
Our first look at Gon-ben in a while! 言 is Gon-ben and obviously has to do with language.
方 is on the right. This is actually a pictograph of a plow with blades spread left and right. 方 also acts as a phonetic element, lending its pronunciation of ほう to 訪.
To visit is like spreading your words far and wide? I guess some might see it like that.
たずねる is one of those words that has a cognate pair--by which I mean two similar meanings with the same pronunciation but different kanji.
訪ねる（たずねる）means to visit, call upon.
尋ねる（たずねる）means to ask, enquire (formally, politely, as opposed to the more common 聞く)