From Japanese-English FreeDict Dictionary ver. 0.1:
[ichi1] [news1] [nf15] 当て /tˈe̞/, [ichi1] 宛 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 宛て /tˈe̞/, [ichi1] [news1] [nf15] あて /ˈäte̞/
1. (noun (common) (futsuumeishi))
aim, object, purpose, end
2. expectations, prospects, hopes
3. something that can be relied upon
4. [Kansai-ben] snack served with alcoholic drink
5. (noun, used as a suffix)
pad, guard
6. (noun, used as a suffix)
(noun, used as a prefix)
blow, strike
7. (宛)
(宛て)
(suffix)
addressed to
8.
Note: word usually written using kana alone (also written as 充て)
per