Definitions:

1. firmly and solidly adverb
   • hit the ball squarely
2. in a square shape adverb
   • a squarely cut piece of paper
3. in a straight direct way adverb
   • The dog looked me squarely in the eye; it barely blinked until I gave it its food.

Synonyms:

• forthright
• forthrightly
• foursquare
• square
• straightforwardly