"Bear off" is a phrasal verb that means to steer away from something or someone. Some antonyms for this phrase are "approach," "move towards," or "head towards". For example, if someone is trying to "bear off" from an unpleasant situation, they may instead choose to "approach" the problem and confront it. Similarly, if a ship is trying to "bear off" from a dangerous storm, it may instead "head towards" calmer waters. In short, the opposite of "bear off" is to move closer or in the direction of something or someone, rather than away from them.