inwardly
adverb
[ ˈɪnwədli ]
• within the mind.
• "inwardly seething, he did as he was told"
Similar:
inside,
internally,
within,
deep down (inside),
deep within,
at heart,
in one's heart (of hearts),
in one's mind,
to oneself,
privately,
secretly,
confidentially,
Origin:
Old English inweardlīce (see inward, -ly2).