firm; determined; resolute; conclusive
firm; unshakeable; resolute
commanding; awe-inspiring
firm; resolute; absolutely
firm; solid; inflexible; immovable
bright; shining; clear; evident
unshakeable (e.g. belief); invincible; steadfastness; firmness; unwavering (e.g. support); absolutely secure
determined; steadfast; unswerving; unshakable