Synonyms for (noun) natural action

Synonyms: natural action, natural process, action, activity

Definition: a process existing in or produced by nature (rather than by the intent of human beings)

Usage: the action of natural forces; volcanic activity

Similar words: physical process, process

Definition: a sustained phenomenon or one marked by gradual changes through a series of states

Usage: events now in process; the process of calcification begins later for boys than for girls