Antonyms for the phrase "were apprehensive of" would be "confident," "assured," "calm," "composed," "content," "positive," "reassured," "relaxed," "secure," and "unworried." All these words signify the opposite of being apprehensive or fearful of something. When one is confident, they experience a feeling of trust in their abilities, and they are not worried about the outcome. Assured refers to having full understanding or knowledge that things will turn out fine. Calm is a state of being relaxed and not in a state of agitation. Content refers to the state of happiness and satisfaction. Positive is the opposite of negative, while reassured implies that one feels at ease after being concerned. Relaxed means feeling free from strain or tension.