Synonyms for At first sight

Synonyms starting with letter O

• outwardly

  apparently, seemingly
• ostensibly

  seemingly, apparently
• on the face of it

  apparently, seemingly
• on the surface
• on first sight
• ostensively
• obviously
• on the money
• overtly
• one can assume
• on the button
• on the face
• once over lightly
• officially
• openly