Adumbrate

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