The leader summoned the group and told that the time has come to act and not genuflect.
Step 1: Meaning of the word.
"Genuflect" literally means to bend the knee (especially in worship). Figuratively, it means to show excessive respect, deference, or servility.
Step 2: Match with options.
- (a) Grovel → behave in an excessively humble or servile way → exact synonym.
- (b) Procrastinate → delay action (different meaning).
- (c) Renounce → formally give up (different meaning).
- (d) Incriminate → to accuse of crime (not related). \[ \Rightarrow \boxed{\text{Grovel is the synonym of Genuflect.}} \]
Test the sentence: "the time has come to act and not genuflect." The word must contrast with "act," so it should describe passive, submissive behaviour rather than taking action.
Only "grovel" captures both the submissiveness of "genuflect" and its contrast with taking action.
Hence, the correct answer is grovel.