* Cautious: The hiker approached the dark cave warily, his hand instinctively reaching for his flashlight.
* Suspicious: The detective watched the suspect warily, noticing the way he kept fidgeting with his collar.
* Hesitant: She warily accepted the invitation, unsure of what to expect at the unfamiliar gathering.
* With caution: The old dog warily sniffed the new puppy, unsure if he would be friendly.
* Observantly: The bird watcher warily scanned the treetops, hoping to catch a glimpse of the elusive owl.