"he went to his grave without forgiving me"
"from cradle to grave"

"he put flowers on his mother's grave"

"a grave God-fearing man"
"a quiet sedate nature"
"as sober as a judge"
"a solemn promise"
"the judge was solemn as he pronounced sentence"

"a dangerous operation"
"a grave situation"
"a grave illness"
"grievous bodily harm"
"a serious wound"
"a serious turn of events"
"a severe case of pneumonia"
"a life-threatening disease"

"grave responsibilities"
"faced a grave decision in a time of crisis"
"a grievous fault"
"heavy matters of state"
"the weighty matters to be discussed at the peace conference"

"She is sculpting the block of marble into an image of her husband"

"engrave a pen"
"engraved the trophy cupt with the winner's"
"the lovers scratched their names into the bark of the tree"