adjective/a.v(ə).nɑ̃/
affable, likable, appealing; comely, fitting
“L'hôtesse était aimable et sa fille fort avenante, – ayant de beaux cheveux châtains, une figure régulière et douce, et ce parler si charmant des pays de brouillard, qui donne aux plus jeunes filles des intonations de contralto, par moments !” — The hostess was amiable, and her daugher quite appealing, with her pretty chestnut hair, a sweet and even figure, and that ever-so-charming parlance of the misty country, which at times gives young girls a contralto intonation.
Present participle of avenir, variant of advenir.