Definition of thinkful in English:

thinkful

adjective

  • Full of or given to thinking; meditative, thoughtful. "thinkful wishing": aspiration controlled by scientific thought or facts.

Origin

Mid 17th century; earliest use found in Thomas Jones (d. 1682), Church of England clergyman. From think + -ful.

Pronunciation

thinkful

/ˈθɪŋkf(ʊ)l/