Inclined to believe or confide readily; full of trust.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "trustful" in a sentence
"Remember growing a company is about building long term trustful relationships with customers, prospects and influencers."
"A different angle, quite emotional n make the bread quite "trustful"."
"The dodo bird was in the main page of Desciclopédia, the Portuguese version of Uncyclopedia (a funny, and not trustful for sure, version of Wikipedia)."