The word "oho" is an exclamation used to express surprise or amazement. Some synonyms for "oho" include "wow," "oh my," "goodness gracious," "well, well," "indeed," "my, my," and "ho ho." These expressions can be used to convey a wide range of emotions from excitement to disbelief. When writing or speaking, it is important to vary your vocabulary and use different words to express the same sentiment. By incorporating synonyms for "oho," you can add depth and interest to your language and convey your emotions in a more nuanced way.