Adumbrate

ad·​um·​brate | \ ˈa-dəm-ˌbrāt  a-ˈdəm- 
adumbratedadumbrating
1to foreshadow vaguely INTIMATE the social unrest that adumbrated the French Revolution
2to suggest, disclose, or outline partiallyadumbrate a plan
3OVERSHADOWOBSCURE bubbling optimism, not at all adumbrated by difficulties