Antonyms for "lash into" that connote a more positive or neutral tone include "praise," "compliment," "commend," "applaud," "laud," "honor," "celebrate," and "acknowledge." These words emphasize the act of recognizing and elevating the positive traits or accomplishments of an individual or group, rather than aggressively criticizing or attacking. Other antonyms that suggest a milder, less confrontational approach include "suggest," "recommend," "advocate," "propose," "offer," and "present," which offer more constructive ways of providing feedback or making suggestions without resorting to harsh or aggressive language.