1) Deeply 2) Deeply, to the poet 3) In a private way 4) In a thorough manner 5) Internal 6) Internally 7) Intimately 8) Inwardly 9) Not outwardly 10) Toward the center 11) With understanding 
inwardly; thoroughly
• (adv.) Internally; within; in the heart. • (a.) Internal; interior; secret.
In'ly adjective [ Middle English inlich , Anglo-Saxon inlīc . See In .] Internal; interior; secret. « Didst thou but know the inly touch of love.» Shak. In'ly adverb Internally; within; in the heart. 'Whereat he inly raged.' Milton. 
inwardly. · intimately; deeply.