a. rare. [f. THINK v.2 + -FUL; cf. wakeful.] Full of or given to thinking; thoughtful. Hence Thinkfulness, quality or faculty of thinking.
1674. N. Fairfax, Bulk & Selv., 16. As sure, as I am of my own thinkfullness.
1910. Weekly Westm. Gaz., 23 April, 6/3. A thinkful man, and one of eloquent silences.
