rekindle
v.to start a fire again or to make a feeling or relationship strong and active once more.
v.to reignite a fire or to revive a dormant feeling, relationship, or interest. Often used figuratively to describe the restoration of emotional or social connections.
“They tried to rekindle their friendship after years apart.”
“The couple decided to go on a trip together to see if they could rekindle their romance.”
“The recent success of the local theater group has done much to rekindle the community's interest in the arts after a decade of decline.”
“So when Flowers moved back home and started revisiting his childhood haunts, his passion for country was rekindled.”
“The Heavens to Betsy reunion has offered an opportunity to revisit the music as well as to rekindle their friendship.”
From re- + kindle.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.