What is other word of fall?
No, it is not. The word fall is a verb (to fall, to plummet, to descend, to hang) or a noun (a fall, a drop, or as a synonym for the season of autumn). *As a season, it might be considered an adjective used with other nouns (e.g. fall weather, fall fashions) but it is more closely an attributive noun.
You can't make anyone fall in love with you. It sometimes takes time for a person to get to know you and then fall in love, while there are others that fall in love with each other immediately. If he has told you he doesn't love you or isn't ready for a relationship please take him at his word and move on, but if he hasn't verbally told you this be patient and see if…