1. Filled with bewilderment
   - at a loss, nonplussed, puzzled

See also: perplexed

• Actinomeris alternifolia
• actinometer
• actinometric
• actinometrical
• actinometry
• actinomorphic
• actinomorphous
• actinomyces
• Actinomycetaceae
• actinomycetal
• Actinomycetales
• actinomycete
• actinomycetous
• actinomycin
• actinomycosis
• actinomycotic
• Actinomyxidia
• actinomyxidian
• actinon
• actinopod
• Actinopoda
• actinotherapy
• Actinozoa
• actinozoan
• action